gem_id stringlengths 20 25 | id stringlengths 24 24 | title stringlengths 3 59 | context stringlengths 151 3.71k | question stringlengths 1 270 | target stringlengths 1 270 | references list | answers dict |
|---|---|---|---|---|---|---|---|
gem-squad_v2-train-25700 | 570955119928a81400471532 | Copper | Copper occurs naturally as native copper and was known to some of the oldest civilizations on record. It has a history of use that is at least 10,000 years old, and estimates of its discovery place it at 9000 BC in the Middle East; a copper pendant was found in northern Iraq that dates to 8700 BC. There is evidence tha... | When was copper first known to have been used? | When was copper first known to have been used? | [
"When was copper first known to have been used?"
] | {
"text": [
"9000 BC"
],
"answer_start": [
204
]
} |
gem-squad_v2-train-25701 | 570955119928a81400471533 | Copper | Copper occurs naturally as native copper and was known to some of the oldest civilizations on record. It has a history of use that is at least 10,000 years old, and estimates of its discovery place it at 9000 BC in the Middle East; a copper pendant was found in northern Iraq that dates to 8700 BC. There is evidence tha... | In what area is the first recorded use of copper? | In what area is the first recorded use of copper? | [
"In what area is the first recorded use of copper?"
] | {
"text": [
"Middle East"
],
"answer_start": [
219
]
} |
gem-squad_v2-train-25702 | 570955119928a81400471534 | Copper | Copper occurs naturally as native copper and was known to some of the oldest civilizations on record. It has a history of use that is at least 10,000 years old, and estimates of its discovery place it at 9000 BC in the Middle East; a copper pendant was found in northern Iraq that dates to 8700 BC. There is evidence tha... | When was copper thought to have been discovered in China? | When was copper thought to have been discovered in China? | [
"When was copper thought to have been discovered in China?"
] | {
"text": [
"2800 BC"
],
"answer_start": [
955
]
} |
gem-squad_v2-train-25703 | 570955119928a81400471535 | Copper | Copper occurs naturally as native copper and was known to some of the oldest civilizations on record. It has a history of use that is at least 10,000 years old, and estimates of its discovery place it at 9000 BC in the Middle East; a copper pendant was found in northern Iraq that dates to 8700 BC. There is evidence tha... | Copper smelting resulted in the development of what other metal smelting? | Copper smelting resulted in the development of what other metal smelting? | [
"Copper smelting resulted in the development of what other metal smelting?"
] | {
"text": [
"iron smelting"
],
"answer_start": [
1524
]
} |
gem-squad_v2-train-25704 | 570955119928a81400471536 | Copper | Copper occurs naturally as native copper and was known to some of the oldest civilizations on record. It has a history of use that is at least 10,000 years old, and estimates of its discovery place it at 9000 BC in the Middle East; a copper pendant was found in northern Iraq that dates to 8700 BC. There is evidence tha... | When did Natural bronze start to be used by the general public? | When did Natural bronze start to be used by the general public? | [
"When did Natural bronze start to be used by the general public?"
] | {
"text": [
"5500 BC"
],
"answer_start": [
1773
]
} |
gem-squad_v2-train-25705 | 5a8366bbe60761001a2eb66d | Copper | Copper occurs naturally as native copper and was known to some of the oldest civilizations on record. It has a history of use that is at least 10,000 years old, and estimates of its discovery place it at 9000 BC in the Middle East; a copper pendant was found in northern Iraq that dates to 8700 BC. There is evidence tha... | When was copper last known to have been used? | When was copper last known to have been used? | [
"When was copper last known to have been used?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25706 | 5a8366bbe60761001a2eb66e | Copper | Copper occurs naturally as native copper and was known to some of the oldest civilizations on record. It has a history of use that is at least 10,000 years old, and estimates of its discovery place it at 9000 BC in the Middle East; a copper pendant was found in northern Iraq that dates to 8700 BC. There is evidence tha... | What area is the only recorded use of copper? | What area is the only recorded use of copper? | [
"What area is the only recorded use of copper?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25707 | 5a8366bbe60761001a2eb66f | Copper | Copper occurs naturally as native copper and was known to some of the oldest civilizations on record. It has a history of use that is at least 10,000 years old, and estimates of its discovery place it at 9000 BC in the Middle East; a copper pendant was found in northern Iraq that dates to 8700 BC. There is evidence tha... | When was copper thought to have been discovered in Japan? | When was copper thought to have been discovered in Japan? | [
"When was copper thought to have been discovered in Japan?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25708 | 5a8366bbe60761001a2eb670 | Copper | Copper occurs naturally as native copper and was known to some of the oldest civilizations on record. It has a history of use that is at least 10,000 years old, and estimates of its discovery place it at 9000 BC in the Middle East; a copper pendant was found in northern Iraq that dates to 8700 BC. There is evidence tha... | When did natural bronze stop being used by the general public? | When did natural bronze stop being used by the general public? | [
"When did natural bronze stop being used by the general public?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25709 | 5a8366bbe60761001a2eb671 | Copper | Copper occurs naturally as native copper and was known to some of the oldest civilizations on record. It has a history of use that is at least 10,000 years old, and estimates of its discovery place it at 9000 BC in the Middle East; a copper pendant was found in northern Iraq that dates to 8700 BC. There is evidence tha... | What type of material can't be produced? | What type of material can't be produced? | [
"What type of material can't be produced?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25710 | 5709595eefce8f15003a7e10 | Copper | The gates of the Temple of Jerusalem used Corinthian bronze made by depletion gilding. It was most prevalent in Alexandria, where alchemy is thought to have begun. In ancient India, copper was used in the holistic medical science Ayurveda for surgical instruments and other medical equipment. Ancient Egyptians (~2400 BC... | What material were the gates of the Temple of Jerusalem made from? | What material were the gates of the Temple of Jerusalem made from? | [
"What material were the gates of the Temple of Jerusalem made from?"
] | {
"text": [
"Corinthian bronze"
],
"answer_start": [
42
]
} |
gem-squad_v2-train-25711 | 5709595eefce8f15003a7e11 | Copper | The gates of the Temple of Jerusalem used Corinthian bronze made by depletion gilding. It was most prevalent in Alexandria, where alchemy is thought to have begun. In ancient India, copper was used in the holistic medical science Ayurveda for surgical instruments and other medical equipment. Ancient Egyptians (~2400 BC... | How is Corinthian bronze made? | How is Corinthian bronze made? | [
"How is Corinthian bronze made?"
] | {
"text": [
"depletion gilding"
],
"answer_start": [
68
]
} |
gem-squad_v2-train-25712 | 5709595eefce8f15003a7e12 | Copper | The gates of the Temple of Jerusalem used Corinthian bronze made by depletion gilding. It was most prevalent in Alexandria, where alchemy is thought to have begun. In ancient India, copper was used in the holistic medical science Ayurveda for surgical instruments and other medical equipment. Ancient Egyptians (~2400 BC... | Where do archeologists believe that alchemy was first practiced? | Where do archeologists believe that alchemy was first practiced? | [
"Where do archeologists believe that alchemy was first practiced? "
] | {
"text": [
"Alexandria"
],
"answer_start": [
112
]
} |
gem-squad_v2-train-25713 | 5709595eefce8f15003a7e13 | Copper | The gates of the Temple of Jerusalem used Corinthian bronze made by depletion gilding. It was most prevalent in Alexandria, where alchemy is thought to have begun. In ancient India, copper was used in the holistic medical science Ayurveda for surgical instruments and other medical equipment. Ancient Egyptians (~2400 BC... | What metal was used to make surgical equipment in ancient India? | What metal was used to make surgical equipment in ancient India? | [
"What metal was used to make surgical equipment in ancient India?"
] | {
"text": [
"copper"
],
"answer_start": [
182
]
} |
gem-squad_v2-train-25714 | 5709595eefce8f15003a7e14 | Copper | The gates of the Temple of Jerusalem used Corinthian bronze made by depletion gilding. It was most prevalent in Alexandria, where alchemy is thought to have begun. In ancient India, copper was used in the holistic medical science Ayurveda for surgical instruments and other medical equipment. Ancient Egyptians (~2400 BC... | What is the name of the battery that was developed using copper in 248 BC? | What is the name of the battery that was developed using copper in 248 BC? | [
"What is the name of the battery that was developed using copper in 248 BC?"
] | {
"text": [
"Baghdad Battery"
],
"answer_start": [
429
]
} |
gem-squad_v2-train-25715 | 5a836bd7e60761001a2eb69d | Copper | The gates of the Temple of Jerusalem used Corinthian bronze made by depletion gilding. It was most prevalent in Alexandria, where alchemy is thought to have begun. In ancient India, copper was used in the holistic medical science Ayurveda for surgical instruments and other medical equipment. Ancient Egyptians (~2400 BC... | What material were the gates of the Temple of Jermaine made from? | What material were the gates of the Temple of Jermaine made from? | [
"What material were the gates of the Temple of Jermaine made from?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25716 | 5a836bd7e60761001a2eb69e | Copper | The gates of the Temple of Jerusalem used Corinthian bronze made by depletion gilding. It was most prevalent in Alexandria, where alchemy is thought to have begun. In ancient India, copper was used in the holistic medical science Ayurveda for surgical instruments and other medical equipment. Ancient Egyptians (~2400 BC... | How is Corinthian bronze destroyed? | How is Corinthian bronze destroyed? | [
"How is Corinthian bronze destroyed?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25717 | 5a836bd7e60761001a2eb69f | Copper | The gates of the Temple of Jerusalem used Corinthian bronze made by depletion gilding. It was most prevalent in Alexandria, where alchemy is thought to have begun. In ancient India, copper was used in the holistic medical science Ayurveda for surgical instruments and other medical equipment. Ancient Egyptians (~2400 BC... | Where do archaeologists believe that alchemy was last practiced? | Where do archaeologists believe that alchemy was last practiced? | [
"Where do archaeologists believe that alchemy was last practiced?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25718 | 5a836bd7e60761001a2eb6a0 | Copper | The gates of the Temple of Jerusalem used Corinthian bronze made by depletion gilding. It was most prevalent in Alexandria, where alchemy is thought to have begun. In ancient India, copper was used in the holistic medical science Ayurveda for surgical instruments and other medical equipment. Ancient Egyptians (~2400 BC... | What metal was used to make surgical equipment in ancient Atlantis? | What metal was used to make surgical equipment in ancient Atlantis? | [
"What metal was used to make surgical equipment in ancient Atlantis?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25719 | 5a836bd7e60761001a2eb6a1 | Copper | The gates of the Temple of Jerusalem used Corinthian bronze made by depletion gilding. It was most prevalent in Alexandria, where alchemy is thought to have begun. In ancient India, copper was used in the holistic medical science Ayurveda for surgical instruments and other medical equipment. Ancient Egyptians (~2400 BC... | What is the name of the battery that was developed using copper in 168 BC? | What is the name of the battery that was developed using copper in 168 BC? | [
"What is the name of the battery that was developed using copper in 168 BC?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25720 | 57095c13efce8f15003a7e20 | Copper | Despite competition from other materials, copper remains the preferred electrical conductor in nearly all categories of electrical wiring with the major exception being overhead electric power transmission where aluminium is often preferred. Copper wire is used in power generation, power transmission, power distributio... | What metal is used most often in electrical wiring? | What metal is used most often in electrical wiring? | [
"What metal is used most often in electrical wiring?"
] | {
"text": [
"copper"
],
"answer_start": [
42
]
} |
gem-squad_v2-train-25721 | 57095c13efce8f15003a7e21 | Copper | Despite competition from other materials, copper remains the preferred electrical conductor in nearly all categories of electrical wiring with the major exception being overhead electric power transmission where aluminium is often preferred. Copper wire is used in power generation, power transmission, power distributio... | What is the most important market for copper today? | What is the most important market for copper today? | [
"What is the most important market for copper today?"
] | {
"text": [
"Electrical wiring"
],
"answer_start": [
411
]
} |
gem-squad_v2-train-25722 | 57095c13efce8f15003a7e22 | Copper | Despite competition from other materials, copper remains the preferred electrical conductor in nearly all categories of electrical wiring with the major exception being overhead electric power transmission where aluminium is often preferred. Copper wire is used in power generation, power transmission, power distributio... | How much of mined copper is used for cables and electrical wiring? | How much of mined copper is used for cables and electrical wiring? | [
"How much of mined copper is used for cables and electrical wiring?"
] | {
"text": [
"Roughly half"
],
"answer_start": [
620
]
} |
gem-squad_v2-train-25723 | 57095c13efce8f15003a7e23 | Copper | Despite competition from other materials, copper remains the preferred electrical conductor in nearly all categories of electrical wiring with the major exception being overhead electric power transmission where aluminium is often preferred. Copper wire is used in power generation, power transmission, power distributio... | What metal are most overhead electrical wires made out of? | What metal are most overhead electrical wires made out of? | [
"What metal are most overhead electrical wires made out of?"
] | {
"text": [
"aluminium"
],
"answer_start": [
212
]
} |
gem-squad_v2-train-25724 | 57095c13efce8f15003a7e24 | Copper | Despite competition from other materials, copper remains the preferred electrical conductor in nearly all categories of electrical wiring with the major exception being overhead electric power transmission where aluminium is often preferred. Copper wire is used in power generation, power transmission, power distributio... | What is one property of copper that makes it so useful in electrical wiring? | What is one property of copper that makes it so useful in electrical wiring? | [
"What is one property of copper that makes it so useful in electrical wiring?"
] | {
"text": [
"high electrical conductivity"
],
"answer_start": [
832
]
} |
gem-squad_v2-train-25725 | 5a836d7de60761001a2eb6bb | Copper | Despite competition from other materials, copper remains the preferred electrical conductor in nearly all categories of electrical wiring with the major exception being overhead electric power transmission where aluminium is often preferred. Copper wire is used in power generation, power transmission, power distributio... | What metal is used least often in electrical wiring? | What metal is used least often in electrical wiring? | [
"What metal is used least often in electrical wiring?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25726 | 5a836d7de60761001a2eb6bc | Copper | Despite competition from other materials, copper remains the preferred electrical conductor in nearly all categories of electrical wiring with the major exception being overhead electric power transmission where aluminium is often preferred. Copper wire is used in power generation, power transmission, power distributio... | What is the most corrupt market for copper today? | What is the most corrupt market for copper today? | [
"What is the most corrupt market for copper today?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25727 | 5a836d7de60761001a2eb6bd | Copper | Despite competition from other materials, copper remains the preferred electrical conductor in nearly all categories of electrical wiring with the major exception being overhead electric power transmission where aluminium is often preferred. Copper wire is used in power generation, power transmission, power distributio... | How much of mined copper is used for science experiments? | How much of mined copper is used for science experiments? | [
"How much of mined copper is used for science experiments?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25728 | 5a836d7de60761001a2eb6be | Copper | Despite competition from other materials, copper remains the preferred electrical conductor in nearly all categories of electrical wiring with the major exception being overhead electric power transmission where aluminium is often preferred. Copper wire is used in power generation, power transmission, power distributio... | What liquid are most overhead electrical wires made out of? | What liquid are most overhead electrical wires made out of? | [
"What liquid are most overhead electrical wires made out of?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25729 | 5a836d7de60761001a2eb6bf | Copper | Despite competition from other materials, copper remains the preferred electrical conductor in nearly all categories of electrical wiring with the major exception being overhead electric power transmission where aluminium is often preferred. Copper wire is used in power generation, power transmission, power distributio... | What is one property of copper that makes it so unhelpful in electrical wiring? | What is one property of copper that makes it so unhelpful in electrical wiring? | [
"What is one property of copper that makes it so unhelpful in electrical wiring?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25730 | 57095defed30961900e84004 | Copper | Copper is biostatic, meaning bacteria will not grow on it. For this reason it has long been used to line parts of ships to protect against barnacles and mussels. It was originally used pure, but has since been superseded by Muntz metal. Similarly, as discussed in copper alloys in aquaculture, copper alloys have become ... | What word means that bacteria won't grow on a substrate? | What word means that bacteria won't grow on a substrate? | [
"What word means that bacteria won't grow on a substrate?"
] | {
"text": [
"biostatic"
],
"answer_start": [
10
]
} |
gem-squad_v2-train-25731 | 57095defed30961900e84005 | Copper | Copper is biostatic, meaning bacteria will not grow on it. For this reason it has long been used to line parts of ships to protect against barnacles and mussels. It was originally used pure, but has since been superseded by Muntz metal. Similarly, as discussed in copper alloys in aquaculture, copper alloys have become ... | Because of copper's biostatic properties where is a common use for copper? | Because of copper's biostatic properties where is a common use for copper? | [
"Because of copper's biostatic properties where is a common use for copper?"
] | {
"text": [
"ships"
],
"answer_start": [
114
]
} |
gem-squad_v2-train-25732 | 57095defed30961900e84006 | Copper | Copper is biostatic, meaning bacteria will not grow on it. For this reason it has long been used to line parts of ships to protect against barnacles and mussels. It was originally used pure, but has since been superseded by Muntz metal. Similarly, as discussed in copper alloys in aquaculture, copper alloys have become ... | What has pure copper been replaced with in the building of ships? | What has pure copper been replaced with in the building of ships? | [
"What has pure copper been replaced with in the building of ships?"
] | {
"text": [
"Muntz metal"
],
"answer_start": [
224
]
} |
gem-squad_v2-train-25733 | 57095defed30961900e84007 | Copper | Copper is biostatic, meaning bacteria will not grow on it. For this reason it has long been used to line parts of ships to protect against barnacles and mussels. It was originally used pure, but has since been superseded by Muntz metal. Similarly, as discussed in copper alloys in aquaculture, copper alloys have become ... | In the aquaculture industry what is copper alloys commonly used to make? | In the aquaculture industry what is copper alloys commonly used to make? | [
"In the aquaculture industry what is copper alloys commonly used to make?"
] | {
"text": [
"netting materials"
],
"answer_start": [
330
]
} |
gem-squad_v2-train-25734 | 57095defed30961900e84008 | Copper | Copper is biostatic, meaning bacteria will not grow on it. For this reason it has long been used to line parts of ships to protect against barnacles and mussels. It was originally used pure, but has since been superseded by Muntz metal. Similarly, as discussed in copper alloys in aquaculture, copper alloys have become ... | Name a property that makes copper a good material to use in marine environments? | Name a property that makes copper a good material to use in marine environments? | [
"Name a property that makes copper a good material to use in marine environments?"
] | {
"text": [
"corrosion-resistant"
],
"answer_start": [
489
]
} |
gem-squad_v2-train-25735 | 5a836f64e60761001a2eb6e1 | Copper | Copper is biostatic, meaning bacteria will not grow on it. For this reason it has long been used to line parts of ships to protect against barnacles and mussels. It was originally used pure, but has since been superseded by Muntz metal. Similarly, as discussed in copper alloys in aquaculture, copper alloys have become ... | What word means that bacteria constantly grows on a substrate? | What word means that bacteria constantly grows on a substrate? | [
"What word means that bacteria constantly grows on a substrate?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25736 | 5a836f64e60761001a2eb6e2 | Copper | Copper is biostatic, meaning bacteria will not grow on it. For this reason it has long been used to line parts of ships to protect against barnacles and mussels. It was originally used pure, but has since been superseded by Muntz metal. Similarly, as discussed in copper alloys in aquaculture, copper alloys have become ... | Where is copper commonly used due to not having a biostatic property? | Where is copper commonly used due to not having a biostatic property? | [
"Where is copper commonly used due to not having a biostatic property?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25737 | 5a836f64e60761001a2eb6e3 | Copper | Copper is biostatic, meaning bacteria will not grow on it. For this reason it has long been used to line parts of ships to protect against barnacles and mussels. It was originally used pure, but has since been superseded by Muntz metal. Similarly, as discussed in copper alloys in aquaculture, copper alloys have become ... | What has fake copper been replaced with in the building of ships? | What has fake copper been replaced with in the building of ships? | [
"What has fake copper been replaced with in the building of ships?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25738 | 5a836f64e60761001a2eb6e4 | Copper | Copper is biostatic, meaning bacteria will not grow on it. For this reason it has long been used to line parts of ships to protect against barnacles and mussels. It was originally used pure, but has since been superseded by Muntz metal. Similarly, as discussed in copper alloys in aquaculture, copper alloys have become ... | What is copper alloys rarely used to make in the agriculture industry? | What is copper alloys rarely used to make in the agriculture industry? | [
"What is copper alloys rarely used to make in the agriculture industry?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25739 | 5709614c200fba1400367f0b | Copper | Copper, silver and gold are in group 11 of the periodic table, and they share certain attributes: they have one s-orbital electron on top of a filled d-electron shell and are characterized by high ductility and electrical conductivity. The filled d-shells in these elements do not contribute much to the interatomic inte... | What group of the periodic table is copper in? | What group of the periodic table is copper in? | [
"What group of the periodic table is copper in?"
] | {
"text": [
"group 11"
],
"answer_start": [
31
]
} |
gem-squad_v2-train-25740 | 5709614c200fba1400367f0c | Copper | Copper, silver and gold are in group 11 of the periodic table, and they share certain attributes: they have one s-orbital electron on top of a filled d-electron shell and are characterized by high ductility and electrical conductivity. The filled d-shells in these elements do not contribute much to the interatomic inte... | Name a property that copper, silver and gold have in common. | Name a property that copper, silver and gold have in common. | [
"Name a property that copper, silver and gold have in common."
] | {
"text": [
"one s-orbital electron"
],
"answer_start": [
108
]
} |
gem-squad_v2-train-25741 | 5709614c200fba1400367f0d | Copper | Copper, silver and gold are in group 11 of the periodic table, and they share certain attributes: they have one s-orbital electron on top of a filled d-electron shell and are characterized by high ductility and electrical conductivity. The filled d-shells in these elements do not contribute much to the interatomic inte... | What makes copper bondings weaker than other metals? | What makes copper bondings weaker than other metals? | [
"What makes copper bondings weaker than other metals?"
] | {
"text": [
"filled d-electron shell"
],
"answer_start": [
143
]
} |
gem-squad_v2-train-25742 | 5709614c200fba1400367f0e | Copper | Copper, silver and gold are in group 11 of the periodic table, and they share certain attributes: they have one s-orbital electron on top of a filled d-electron shell and are characterized by high ductility and electrical conductivity. The filled d-shells in these elements do not contribute much to the interatomic inte... | How is copper normally supplied? | How is copper normally supplied? | [
"How is copper normally supplied?"
] | {
"text": [
"fine-grained polycrystalline form"
],
"answer_start": [
838
]
} |
gem-squad_v2-train-25743 | 5709614c200fba1400367f0f | Copper | Copper, silver and gold are in group 11 of the periodic table, and they share certain attributes: they have one s-orbital electron on top of a filled d-electron shell and are characterized by high ductility and electrical conductivity. The filled d-shells in these elements do not contribute much to the interatomic inte... | What is a weaker form of copper than fine-grained polycrystalline? | What is a weaker form of copper than fine-grained polycrystalline? | [
"What is a weaker form of copper than fine-grained polycrystalline?"
] | {
"text": [
"monocrystalline forms"
],
"answer_start": [
905
]
} |
gem-squad_v2-train-25744 | 5a833f39e60761001a2eb4b3 | Copper | Copper, silver and gold are in group 11 of the periodic table, and they share certain attributes: they have one s-orbital electron on top of a filled d-electron shell and are characterized by high ductility and electrical conductivity. The filled d-shells in these elements do not contribute much to the interatomic inte... | What group of the periodic table is copper no longer in? | What group of the periodic table is copper no longer in? | [
"What group of the periodic table is copper no longer in?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25745 | 5a833f39e60761001a2eb4b4 | Copper | Copper, silver and gold are in group 11 of the periodic table, and they share certain attributes: they have one s-orbital electron on top of a filled d-electron shell and are characterized by high ductility and electrical conductivity. The filled d-shells in these elements do not contribute much to the interatomic inte... | What is the only property that copper, silver and gold have in common? | What is the only property that copper, silver and gold have in common? | [
"What is the only property that copper, silver and gold have in common?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25746 | 5a833f39e60761001a2eb4b5 | Copper | Copper, silver and gold are in group 11 of the periodic table, and they share certain attributes: they have one s-orbital electron on top of a filled d-electron shell and are characterized by high ductility and electrical conductivity. The filled d-shells in these elements do not contribute much to the interatomic inte... | What makes copper bondings stronger than other metals? | What makes copper bondings stronger than other metals? | [
"What makes copper bondings stronger than other metals?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25747 | 5a833f39e60761001a2eb4b6 | Copper | Copper, silver and gold are in group 11 of the periodic table, and they share certain attributes: they have one s-orbital electron on top of a filled d-electron shell and are characterized by high ductility and electrical conductivity. The filled d-shells in these elements do not contribute much to the interatomic inte... | What is copper normally missing? | What is copper normally missing? | [
"What is copper normally missing?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25748 | 5a833f39e60761001a2eb4b7 | Copper | Copper, silver and gold are in group 11 of the periodic table, and they share certain attributes: they have one s-orbital electron on top of a filled d-electron shell and are characterized by high ductility and electrical conductivity. The filled d-shells in these elements do not contribute much to the interatomic inte... | What is a better form of copper than fine-grained polycrystalline? | What is a better form of copper than fine-grained polycrystalline? | [
"What is a better form of copper than fine-grained polycrystalline?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25749 | 570962e2ed30961900e8404e | Copper | Copper is synthesized in massive stars and is present in the Earth's crust at a concentration of about 50 parts per million (ppm), where it occurs as native copper or in minerals such as the copper sulfides chalcopyrite and chalcocite, the copper carbonates azurite and malachite, and the copper(I) oxide mineral cuprite... | What is the concentration of copper in the earths crust. | What is the concentration of copper in the earths crust. | [
"What is the concentration of copper in the earths crust."
] | {
"text": [
"50 parts per million"
],
"answer_start": [
103
]
} |
gem-squad_v2-train-25750 | 570962e2ed30961900e8404f | Copper | Copper is synthesized in massive stars and is present in the Earth's crust at a concentration of about 50 parts per million (ppm), where it occurs as native copper or in minerals such as the copper sulfides chalcopyrite and chalcocite, the copper carbonates azurite and malachite, and the copper(I) oxide mineral cuprite... | How large was the biggest find of copper? | How large was the biggest find of copper? | [
"How large was the biggest find of copper?"
] | {
"text": [
"420 tonnes"
],
"answer_start": [
378
]
} |
gem-squad_v2-train-25751 | 570962e2ed30961900e84050 | Copper | Copper is synthesized in massive stars and is present in the Earth's crust at a concentration of about 50 parts per million (ppm), where it occurs as native copper or in minerals such as the copper sulfides chalcopyrite and chalcocite, the copper carbonates azurite and malachite, and the copper(I) oxide mineral cuprite... | What year was the largest find of copper discovered? | What year was the largest find of copper discovered? | [
"What year was the largest find of copper discovered?"
] | {
"text": [
"1857"
],
"answer_start": [
406
]
} |
gem-squad_v2-train-25752 | 570962e2ed30961900e84051 | Copper | Copper is synthesized in massive stars and is present in the Earth's crust at a concentration of about 50 parts per million (ppm), where it occurs as native copper or in minerals such as the copper sulfides chalcopyrite and chalcocite, the copper carbonates azurite and malachite, and the copper(I) oxide mineral cuprite... | Where was the largest mass of copper found? | Where was the largest mass of copper found? | [
"Where was the largest mass of copper found?"
] | {
"text": [
"Michigan, US"
],
"answer_start": [
440
]
} |
gem-squad_v2-train-25753 | 570962e2ed30961900e84052 | Copper | Copper is synthesized in massive stars and is present in the Earth's crust at a concentration of about 50 parts per million (ppm), where it occurs as native copper or in minerals such as the copper sulfides chalcopyrite and chalcocite, the copper carbonates azurite and malachite, and the copper(I) oxide mineral cuprite... | How big is the largest copper crystal that has been found? | How big is the largest copper crystal that has been found? | [
"How big is the largest copper crystal that has been found?"
] | {
"text": [
"4.4×3.2×3.2 cm"
],
"answer_start": [
538
]
} |
gem-squad_v2-train-25754 | 5a8353c7e60761001a2eb58d | Copper | Copper is synthesized in massive stars and is present in the Earth's crust at a concentration of about 50 parts per million (ppm), where it occurs as native copper or in minerals such as the copper sulfides chalcopyrite and chalcocite, the copper carbonates azurite and malachite, and the copper(I) oxide mineral cuprite... | What is the concentration of copper in the earths atmosphere? | What is the concentration of copper in the earths atmosphere? | [
"What is the concentration of copper in the earths atmosphere?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25755 | 5a8353c7e60761001a2eb58e | Copper | Copper is synthesized in massive stars and is present in the Earth's crust at a concentration of about 50 parts per million (ppm), where it occurs as native copper or in minerals such as the copper sulfides chalcopyrite and chalcocite, the copper carbonates azurite and malachite, and the copper(I) oxide mineral cuprite... | How large was the smallest find of copper? | How large was the smallest find of copper? | [
"How large was the smallest find of copper?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25756 | 5a8353c7e60761001a2eb58f | Copper | Copper is synthesized in massive stars and is present in the Earth's crust at a concentration of about 50 parts per million (ppm), where it occurs as native copper or in minerals such as the copper sulfides chalcopyrite and chalcocite, the copper carbonates azurite and malachite, and the copper(I) oxide mineral cuprite... | What year was the smallest find of copper discovered? | What year was the smallest find of copper discovered? | [
"What year was the smallest find of copper discovered?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25757 | 5a8353c7e60761001a2eb590 | Copper | Copper is synthesized in massive stars and is present in the Earth's crust at a concentration of about 50 parts per million (ppm), where it occurs as native copper or in minerals such as the copper sulfides chalcopyrite and chalcocite, the copper carbonates azurite and malachite, and the copper(I) oxide mineral cuprite... | Where was the smallest mass of copper found? | Where was the smallest mass of copper found? | [
"Where was the smallest mass of copper found?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25758 | 5a8353c7e60761001a2eb591 | Copper | Copper is synthesized in massive stars and is present in the Earth's crust at a concentration of about 50 parts per million (ppm), where it occurs as native copper or in minerals such as the copper sulfides chalcopyrite and chalcocite, the copper carbonates azurite and malachite, and the copper(I) oxide mineral cuprite... | How big is the largest alien crystal that has been found? | How big is the largest alien crystal that has been found? | [
"How big is the largest alien crystal that has been found?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25759 | 57096523ed30961900e8408c | Copper | In Greece, copper was known by the name chalkos (χαλκός). It was an important resource for the Romans, Greeks and other ancient peoples. In Roman times, it was known as aes Cyprium, aes being the generic Latin term for copper alloys and Cyprium from Cyprus, where much copper was mined. The phrase was simplified to cupr... | What was copper called in Greece? | What was copper called in Greece? | [
"What was copper called in Greece?"
] | {
"text": [
"chalkos"
],
"answer_start": [
40
]
} |
gem-squad_v2-train-25760 | 57096523ed30961900e8408d | Copper | In Greece, copper was known by the name chalkos (χαλκός). It was an important resource for the Romans, Greeks and other ancient peoples. In Roman times, it was known as aes Cyprium, aes being the generic Latin term for copper alloys and Cyprium from Cyprus, where much copper was mined. The phrase was simplified to cupr... | In what area was copper first mined? | In what area was copper first mined? | [
"In what area was copper first mined?"
] | {
"text": [
"Cyprus"
],
"answer_start": [
250
]
} |
gem-squad_v2-train-25761 | 57096523ed30961900e8408e | Copper | In Greece, copper was known by the name chalkos (χαλκός). It was an important resource for the Romans, Greeks and other ancient peoples. In Roman times, it was known as aes Cyprium, aes being the generic Latin term for copper alloys and Cyprium from Cyprus, where much copper was mined. The phrase was simplified to cupr... | What is the Greek goddess that symbolizes copper? | What is the Greek goddess that symbolizes copper? | [
"What is the Greek goddess that symbolizes copper?"
] | {
"text": [
"Aphrodite"
],
"answer_start": [
350
]
} |
gem-squad_v2-train-25762 | 57096523ed30961900e8408f | Copper | In Greece, copper was known by the name chalkos (χαλκός). It was an important resource for the Romans, Greeks and other ancient peoples. In Roman times, it was known as aes Cyprium, aes being the generic Latin term for copper alloys and Cyprium from Cyprus, where much copper was mined. The phrase was simplified to cupr... | What is the Roman goddess that symbolizes copper? | What is the Roman goddess that symbolizes copper? | [
"What is the Roman goddess that symbolizes copper?"
] | {
"text": [
"Venus"
],
"answer_start": [
364
]
} |
gem-squad_v2-train-25763 | 57096523ed30961900e84090 | Copper | In Greece, copper was known by the name chalkos (χαλκός). It was an important resource for the Romans, Greeks and other ancient peoples. In Roman times, it was known as aes Cyprium, aes being the generic Latin term for copper alloys and Cyprium from Cyprus, where much copper was mined. The phrase was simplified to cupr... | What property does copper have that links it to Aphrodite and Venus? | What property does copper have that links it to Aphrodite and Venus? | [
"What property does copper have that links it to Aphrodite and Venus?"
] | {
"text": [
"lustrous beauty"
],
"answer_start": [
430
]
} |
gem-squad_v2-train-25764 | 5a836a91e60761001a2eb681 | Copper | In Greece, copper was known by the name chalkos (χαλκός). It was an important resource for the Romans, Greeks and other ancient peoples. In Roman times, it was known as aes Cyprium, aes being the generic Latin term for copper alloys and Cyprium from Cyprus, where much copper was mined. The phrase was simplified to cupr... | What was copper forbidden to be called in Greece? | What was copper forbidden to be called in Greece? | [
"What was copper forbidden to be called in Greece?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25765 | 5a836a91e60761001a2eb682 | Copper | In Greece, copper was known by the name chalkos (χαλκός). It was an important resource for the Romans, Greeks and other ancient peoples. In Roman times, it was known as aes Cyprium, aes being the generic Latin term for copper alloys and Cyprium from Cyprus, where much copper was mined. The phrase was simplified to cupr... | What area was the only copper mine? | What area was the only copper mine? | [
"What area was the only copper mine?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25766 | 5a836a91e60761001a2eb683 | Copper | In Greece, copper was known by the name chalkos (χαλκός). It was an important resource for the Romans, Greeks and other ancient peoples. In Roman times, it was known as aes Cyprium, aes being the generic Latin term for copper alloys and Cyprium from Cyprus, where much copper was mined. The phrase was simplified to cupr... | What is the Egyptian goddess that symbolizes copper? | What is the Egyptian goddess that symbolizes copper? | [
"What is the Egyptian goddess that symbolizes copper?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25767 | 5a836a91e60761001a2eb684 | Copper | In Greece, copper was known by the name chalkos (χαλκός). It was an important resource for the Romans, Greeks and other ancient peoples. In Roman times, it was known as aes Cyprium, aes being the generic Latin term for copper alloys and Cyprium from Cyprus, where much copper was mined. The phrase was simplified to cupr... | What is the German goddess that symbolizes copper? | What is the German goddess that symbolizes copper? | [
"What is the German goddess that symbolizes copper?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25768 | 5a836a91e60761001a2eb685 | Copper | In Greece, copper was known by the name chalkos (χαλκός). It was an important resource for the Romans, Greeks and other ancient peoples. In Roman times, it was known as aes Cyprium, aes being the generic Latin term for copper alloys and Cyprium from Cyprus, where much copper was mined. The phrase was simplified to cupr... | What property does silver have that links it to Aphrodite and Venus? | What property does silver have that links it to Aphrodite and Venus? | [
"What property does silver have that links it to Aphrodite and Venus?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25769 | 570967d5200fba1400367f63 | Copper | Compounds that contain a carbon-copper bond are known as organocopper compounds. They are very reactive towards oxygen to form copper(I) oxide and have many uses in chemistry. They are synthesized by treating copper(I) compounds with Grignard reagents, terminal alkynes or organolithium reagents; in particular, the last... | What are compounds that have a carbon-copper bond called? | What are compounds that have a carbon-copper bond called? | [
"What are compounds that have a carbon-copper bond called?"
] | {
"text": [
"organocopper compounds"
],
"answer_start": [
57
]
} |
gem-squad_v2-train-25770 | 570967d5200fba1400367f64 | Copper | Compounds that contain a carbon-copper bond are known as organocopper compounds. They are very reactive towards oxygen to form copper(I) oxide and have many uses in chemistry. They are synthesized by treating copper(I) compounds with Grignard reagents, terminal alkynes or organolithium reagents; in particular, the last... | What does organocopper compounds reactions toward oxygen form? | What does organocopper compounds reactions toward oxygen form? | [
"What does organocopper compounds reactions toward oxygen form?"
] | {
"text": [
"copper(I) oxide"
],
"answer_start": [
127
]
} |
gem-squad_v2-train-25771 | 570967d5200fba1400367f65 | Copper | Compounds that contain a carbon-copper bond are known as organocopper compounds. They are very reactive towards oxygen to form copper(I) oxide and have many uses in chemistry. They are synthesized by treating copper(I) compounds with Grignard reagents, terminal alkynes or organolithium reagents; in particular, the last... | What is produced when copper compounds are treated with organolithium reagents? | What is produced when copper compounds are treated with organolithium reagents? | [
"What is produced when copper compounds are treated with organolithium reagents?"
] | {
"text": [
"Gilman reagent"
],
"answer_start": [
351
]
} |
gem-squad_v2-train-25772 | 570967d5200fba1400367f66 | Copper | Compounds that contain a carbon-copper bond are known as organocopper compounds. They are very reactive towards oxygen to form copper(I) oxide and have many uses in chemistry. They are synthesized by treating copper(I) compounds with Grignard reagents, terminal alkynes or organolithium reagents; in particular, the last... | Coupling products can be made by substituting Gilman reagent with what? | Coupling products can be made by substituting Gilman reagent with what? | [
"Coupling products can be made by substituting Gilman reagent with what?"
] | {
"text": [
"alkyl halides"
],
"answer_start": [
403
]
} |
gem-squad_v2-train-25773 | 570967d5200fba1400367f67 | Copper | Compounds that contain a carbon-copper bond are known as organocopper compounds. They are very reactive towards oxygen to form copper(I) oxide and have many uses in chemistry. They are synthesized by treating copper(I) compounds with Grignard reagents, terminal alkynes or organolithium reagents; in particular, the last... | Which form of copper is shock sensitive? | Which form of copper is shock sensitive? | [
"Which form of copper is shock sensitive?"
] | {
"text": [
"Copper(I) acetylide"
],
"answer_start": [
507
]
} |
gem-squad_v2-train-25774 | 5a836556e60761001a2eb661 | Copper | Compounds that contain a carbon-copper bond are known as organocopper compounds. They are very reactive towards oxygen to form copper(I) oxide and have many uses in chemistry. They are synthesized by treating copper(I) compounds with Grignard reagents, terminal alkynes or organolithium reagents; in particular, the last... | What are compounds that have a black-copper bond called? | What are compounds that have a black-copper bond called? | [
"What are compounds that have a black-copper bond called?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25775 | 5a836556e60761001a2eb662 | Copper | Compounds that contain a carbon-copper bond are known as organocopper compounds. They are very reactive towards oxygen to form copper(I) oxide and have many uses in chemistry. They are synthesized by treating copper(I) compounds with Grignard reagents, terminal alkynes or organolithium reagents; in particular, the last... | What does organocopper compounds reactions toward water form? | What does organocopper compounds reactions toward water form? | [
"What does organocopper compounds reactions toward water form?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25776 | 5a836556e60761001a2eb663 | Copper | Compounds that contain a carbon-copper bond are known as organocopper compounds. They are very reactive towards oxygen to form copper(I) oxide and have many uses in chemistry. They are synthesized by treating copper(I) compounds with Grignard reagents, terminal alkynes or organolithium reagents; in particular, the last... | What is destroyed when copper compounds are treated with organolithium reagents? | What is destroyed when copper compounds are treated with organolithium reagents? | [
"What is destroyed when copper compounds are treated with organolithium reagents?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25777 | 5a836556e60761001a2eb664 | Copper | Compounds that contain a carbon-copper bond are known as organocopper compounds. They are very reactive towards oxygen to form copper(I) oxide and have many uses in chemistry. They are synthesized by treating copper(I) compounds with Grignard reagents, terminal alkynes or organolithium reagents; in particular, the last... | Which form of copper is time sensitive? | Which form of copper is time sensitive? | [
"Which form of copper is time sensitive?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25778 | 57096959200fba1400367f89 | Copper | The uses of copper in art were not limited to currency: it was used by Renaissance sculptors, in photographic technology known as the daguerreotype, and the Statue of Liberty. Copper plating and copper sheathing for ships' hulls was widespread; the ships of Christopher Columbus were among the earliest to have this feat... | Who used copper to produce art? | Who used copper to produce art? | [
"Who used copper to produce art?"
] | {
"text": [
"Renaissance sculptors"
],
"answer_start": [
71
]
} |
gem-squad_v2-train-25779 | 57096959200fba1400367f8a | Copper | The uses of copper in art were not limited to currency: it was used by Renaissance sculptors, in photographic technology known as the daguerreotype, and the Statue of Liberty. Copper plating and copper sheathing for ships' hulls was widespread; the ships of Christopher Columbus were among the earliest to have this feat... | What is the photographic technology that uses copper called? | What is the photographic technology that uses copper called? | [
"What is the photographic technology that uses copper called?"
] | {
"text": [
"daguerreotype"
],
"answer_start": [
134
]
} |
gem-squad_v2-train-25780 | 57096959200fba1400367f8b | Copper | The uses of copper in art were not limited to currency: it was used by Renaissance sculptors, in photographic technology known as the daguerreotype, and the Statue of Liberty. Copper plating and copper sheathing for ships' hulls was widespread; the ships of Christopher Columbus were among the earliest to have this feat... | What famous NY city landmark is made from copper? | What famous NY city landmark is made from copper? | [
"What famous NY city landmark is made from copper?"
] | {
"text": [
"Statue of Liberty"
],
"answer_start": [
157
]
} |
gem-squad_v2-train-25781 | 57096959200fba1400367f8c | Copper | The uses of copper in art were not limited to currency: it was used by Renaissance sculptors, in photographic technology known as the daguerreotype, and the Statue of Liberty. Copper plating and copper sheathing for ships' hulls was widespread; the ships of Christopher Columbus were among the earliest to have this feat... | What famous explorers ships was one of the first to have it's hulls made of copper? | What famous explorers ships was one of the first to have it's hulls made of copper? | [
"What famous explorers ships was one of the first to have it's hulls made of copper?"
] | {
"text": [
"Christopher Columbus"
],
"answer_start": [
258
]
} |
gem-squad_v2-train-25782 | 57096959200fba1400367f8d | Copper | The uses of copper in art were not limited to currency: it was used by Renaissance sculptors, in photographic technology known as the daguerreotype, and the Statue of Liberty. Copper plating and copper sheathing for ships' hulls was widespread; the ships of Christopher Columbus were among the earliest to have this feat... | When did The Norddeutsche Affinerie electroplating plant first begin production? | When did The Norddeutsche Affinerie electroplating plant first begin production? | [
"When did The Norddeutsche Affinerie electroplating plant first begin production?"
] | {
"text": [
"1830"
],
"answer_start": [
505
]
} |
gem-squad_v2-train-25783 | 5a836c85e60761001a2eb6a7 | Copper | The uses of copper in art were not limited to currency: it was used by Renaissance sculptors, in photographic technology known as the daguerreotype, and the Statue of Liberty. Copper plating and copper sheathing for ships' hulls was widespread; the ships of Christopher Columbus were among the earliest to have this feat... | Who used copper to produce garbage? | Who used copper to produce garbage? | [
"Who used copper to produce garbage?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25784 | 5a836c85e60761001a2eb6a8 | Copper | The uses of copper in art were not limited to currency: it was used by Renaissance sculptors, in photographic technology known as the daguerreotype, and the Statue of Liberty. Copper plating and copper sheathing for ships' hulls was widespread; the ships of Christopher Columbus were among the earliest to have this feat... | What is the magical technology that uses copper called? | What is the magical technology that uses copper called? | [
"What is the magical technology that uses copper called?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25785 | 5a836c85e60761001a2eb6a9 | Copper | The uses of copper in art were not limited to currency: it was used by Renaissance sculptors, in photographic technology known as the daguerreotype, and the Statue of Liberty. Copper plating and copper sheathing for ships' hulls was widespread; the ships of Christopher Columbus were among the earliest to have this feat... | What famous Arizona city landmark is made from copper? | What famous Arizona city landmark is made from copper? | [
"What famous Arizona city landmark is made from copper?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25786 | 5a836c85e60761001a2eb6aa | Copper | The uses of copper in art were not limited to currency: it was used by Renaissance sculptors, in photographic technology known as the daguerreotype, and the Statue of Liberty. Copper plating and copper sheathing for ships' hulls was widespread; the ships of Christopher Columbus were among the earliest to have this feat... | What unknown explorers ships was one of the first to have it's hulls made of copper? | What unknown explorers ships was one of the first to have it's hulls made of copper? | [
"What unknown explorers ships was one of the first to have it's hulls made of copper?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25787 | 5a836c85e60761001a2eb6ab | Copper | The uses of copper in art were not limited to currency: it was used by Renaissance sculptors, in photographic technology known as the daguerreotype, and the Statue of Liberty. Copper plating and copper sheathing for ships' hulls was widespread; the ships of Christopher Columbus were among the earliest to have this feat... | When did The Norddeutsche Affinerie nuclear plant first begin production? | When did The Norddeutsche Affinerie nuclear plant first begin production? | [
"When did The Norddeutsche Affinerie nuclear plant first begin production?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25788 | 57096ba1200fba1400367fb1 | Copper | Copper's greater conductivity versus other metals enhances the electrical energy efficiency of motors. This is important because motors and motor-driven systems account for 43%-46% of all global electricity consumption and 69% of all electricity used by industry. Increasing the mass and cross section of copper in a coi... | What property of copper increases the efficiency of electrical motors? | What property of copper increases the efficiency of electrical motors? | [
"What property of copper increases the efficiency of electrical motors?"
] | {
"text": [
"conductivity"
],
"answer_start": [
17
]
} |
gem-squad_v2-train-25789 | 57096ba1200fba1400367fb2 | Copper | Copper's greater conductivity versus other metals enhances the electrical energy efficiency of motors. This is important because motors and motor-driven systems account for 43%-46% of all global electricity consumption and 69% of all electricity used by industry. Increasing the mass and cross section of copper in a coi... | What percentage of electrical consumption does motor systems use globally? | What percentage of electrical consumption does motor systems use globally? | [
"What percentage of electrical consumption does motor systems use globally?"
] | {
"text": [
"43%-46%"
],
"answer_start": [
173
]
} |
gem-squad_v2-train-25790 | 57096ba1200fba1400367fb3 | Copper | Copper's greater conductivity versus other metals enhances the electrical energy efficiency of motors. This is important because motors and motor-driven systems account for 43%-46% of all global electricity consumption and 69% of all electricity used by industry. Increasing the mass and cross section of copper in a coi... | What percentage of electrical consumption does motor systems use in industry? | What percentage of electrical consumption does motor systems use in industry? | [
"What percentage of electrical consumption does motor systems use in industry?"
] | {
"text": [
"69%"
],
"answer_start": [
223
]
} |
gem-squad_v2-train-25791 | 57096ba1200fba1400367fb4 | Copper | Copper's greater conductivity versus other metals enhances the electrical energy efficiency of motors. This is important because motors and motor-driven systems account for 43%-46% of all global electricity consumption and 69% of all electricity used by industry. Increasing the mass and cross section of copper in a coi... | What does the acronym NEMA stand for? | What does the acronym NEMA stand for? | [
"What does the acronym NEMA stand for?"
] | {
"text": [
"National Electrical Manufacturers Association"
],
"answer_start": [
564
]
} |
gem-squad_v2-train-25792 | 57096ba1200fba1400367fb5 | Copper | Copper's greater conductivity versus other metals enhances the electrical energy efficiency of motors. This is important because motors and motor-driven systems account for 43%-46% of all global electricity consumption and 69% of all electricity used by industry. Increasing the mass and cross section of copper in a coi... | By using copper motor rotor technology it is allowing industry to exceed what standards? | By using copper motor rotor technology it is allowing industry to exceed what standards? | [
"By using copper motor rotor technology it is allowing industry to exceed what standards?"
] | {
"text": [
"efficiency standards"
],
"answer_start": [
625
]
} |
gem-squad_v2-train-25793 | 5a836de2e60761001a2eb6c5 | Copper | Copper's greater conductivity versus other metals enhances the electrical energy efficiency of motors. This is important because motors and motor-driven systems account for 43%-46% of all global electricity consumption and 69% of all electricity used by industry. Increasing the mass and cross section of copper in a coi... | What property of copper ruins the efficiency of electrical motors? | What property of copper ruins the efficiency of electrical motors? | [
"What property of copper ruins the efficiency of electrical motors?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25794 | 5a836de2e60761001a2eb6c6 | Copper | Copper's greater conductivity versus other metals enhances the electrical energy efficiency of motors. This is important because motors and motor-driven systems account for 43%-46% of all global electricity consumption and 69% of all electricity used by industry. Increasing the mass and cross section of copper in a coi... | What percentage of water consumption does motor systems use globally? | What percentage of water consumption does motor systems use globally? | [
"What percentage of water consumption does motor systems use globally?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25795 | 5a836de2e60761001a2eb6c7 | Copper | Copper's greater conductivity versus other metals enhances the electrical energy efficiency of motors. This is important because motors and motor-driven systems account for 43%-46% of all global electricity consumption and 69% of all electricity used by industry. Increasing the mass and cross section of copper in a coi... | What percentage of electrical consumption does motor systems use in secrecy? | What percentage of electrical consumption does motor systems use in secrecy? | [
"What percentage of electrical consumption does motor systems use in secrecy?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25796 | 5a836de2e60761001a2eb6c8 | Copper | Copper's greater conductivity versus other metals enhances the electrical energy efficiency of motors. This is important because motors and motor-driven systems account for 43%-46% of all global electricity consumption and 69% of all electricity used by industry. Increasing the mass and cross section of copper in a coi... | What does the acronym NEMA stand against? | What does the acronym NEMA stand against? | [
"What does the acronym NEMA stand against?"
] | {
"text": [],
"answer_start": []
} |
gem-squad_v2-train-25797 | 57096cd6ed30961900e840e8 | Copper | Chromobacterium violaceum and Pseudomonas fluorescens can both mobilize solid copper, as a cyanide compound. The ericoid mycorrhizal fungi associated with Calluna, Erica and Vaccinium can grow in copper metalliferous soils. The ectomycorrhizal fungus Suillus luteus protects young pine trees from copper toxicity. A samp... | Name a compond that can mobilize sold copper? | Name a compond that can mobilize sold copper? | [
"Name a compond that can mobilize sold copper?"
] | {
"text": [
"Chromobacterium violaceum"
],
"answer_start": [
0
]
} |
gem-squad_v2-train-25798 | 57096cd6ed30961900e840e9 | Copper | Chromobacterium violaceum and Pseudomonas fluorescens can both mobilize solid copper, as a cyanide compound. The ericoid mycorrhizal fungi associated with Calluna, Erica and Vaccinium can grow in copper metalliferous soils. The ectomycorrhizal fungus Suillus luteus protects young pine trees from copper toxicity. A samp... | What fungi can grow in copper metalliferous soils? | What fungi can grow in copper metalliferous soils? | [
"What fungi can grow in copper metalliferous soils?"
] | {
"text": [
"ericoid mycorrhizal fungi"
],
"answer_start": [
113
]
} |
gem-squad_v2-train-25799 | 57096cd6ed30961900e840ea | Copper | Chromobacterium violaceum and Pseudomonas fluorescens can both mobilize solid copper, as a cyanide compound. The ericoid mycorrhizal fungi associated with Calluna, Erica and Vaccinium can grow in copper metalliferous soils. The ectomycorrhizal fungus Suillus luteus protects young pine trees from copper toxicity. A samp... | What fungus protects pine trees from copper toxicity? | What fungus protects pine trees from copper toxicity? | [
"What fungus protects pine trees from copper toxicity? "
] | {
"text": [
"Suillus luteus"
],
"answer_start": [
251
]
} |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.