Question stringlengths 2 3k | label int64 0 1 |
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6. Write the contributing resonance structures and the delocalized hybrid for (a) $\mathrm{BCl}_{3}$, (b) $\mathrm{H}_{2} \mathrm{CN}_{2}$ (diazomethane). | 1 |
The forebrain splits during development into vesicles called what? | 0 |
Chemicals called neurotransmitters are released at what part of the brain? | 0 |
30. When equal volumes of the following solutions are mixed, precipitation of $\mathrm{AgCl}\left(\mathrm{K}_{\mathrm{sp}}=1.8 \times 10^{-10}\right)$ will occur only with
(a) $10^{-4} \mathrm{M}\left(\mathrm{Ag}^{+}\right)$and $10^{-4} \mathrm{M}\left(\mathrm{Cl}^{-}\right)$
(b) $10^{-5} \mathrm{M}\left(\mathrm{Ag... | 1 |
How do you buy a house? | 0 |
16. If $A$ and $B$ are two invertible matrices of the same order, then $\operatorname{adj}(A B)$ is equal to
a. $\operatorname{adj}(B) \operatorname{adj}(A)$
b. $|B||A| B^{-1} A^{-1}$
c. $|B||A| A^{-1} B^{-1}$
d. $|A||B|(A B)^{-1}$ | 1 |
Example 47.2
The passenger of example 47.1 slept with his head towards the engine and feet towards the guard's coach. If he measured $6 \mathrm{ft}$ in the train frame, how tall is he in the ground frame? | 1 |
6. The increasing order of the following compounds towards $\mathrm{HCN}$ addition is :
(a) (i) $<$ (iii) $<$ (iv) $<$ (ii)
(b) (iii) $<$ (iv) $<$ (i) $<$ (ii)
(c) (iii) $<$ (i) $<$ (iv) $<$ (ii)
(d) (iii) $<$ (... | 1 |
Can a 14 year old guy date a 12 year old girl? | 0 |
Can I enter Hong Kong or Macau with a Chinese visa ? | 0 |
Members of what tribe were exterminated in Ajmer? | 0 |
Aside from symbolizing cultures, what else are architectural works thought of as? | 0 |
10. The type of delocalisation involving sigma bond orbitals is called:
(A) inductive effect
(B) hyperconjugation
(C) electromeric effect
(D) mesomeric effect | 1 |
(v) 4-Chloropentan-2-one | 1 |
What are the worst mistakes of your life? | 0 |
If I've read and mostly understood the book QED by Richard Feynman, would The Feynman Lectures be a step up or down for me? | 0 |
What are some of the basic business analyst interview questions? | 0 |
8. The complex numbers $\sin x+i \cos 2 x$ and $\cos x-i \sin 2 x$ are conjugate to each other for
a. $x=n \pi$
b. $x=0$
c. $x=(n+1 / 2) \pi$
d. no value of $x$ | 1 |
50. If $f(x)=x^{1}$, then the value of $f(1)+\frac{f^{1}(1)}{1}+\frac{f^{2}(1)}{2!}+\cdots+\frac{f^{\prime \prime}(1)}{n!}$, where $f^{r}(x)$ denotes the $r^{\text {th }}$ order derivative of $f(x)$ with respect to $x$, is
a. $n$
b. $2^{n}$
c. $2^{n-1}$
d. none of these | 1 |
Where in the brain is consciousness located? | 0 |
How did Islam spread to all the world? | 0 |
Where can I get bikes to rent in Mumbai? | 0 |
3. A colorless aqueous solution contains nitrates of two metals, $\mathbf{X}$ and Y. When it was added to an aqueous solution of $\mathrm{NaCl}$, a white precipitate was formed. This precipitate was found to be partly soluble in hot water to give a residue $\mathbf{P}$ and a solution $\mathbf{Q}$. The residue $\mathbf{... | 1 |
At the time of the French Revolution what previous focus of humanism was removed? | 0 |
1. Find the condition if the equation $3 x^{2}+4 a x+b=0$ has at least one root in $(0,1)$. | 1 |
What is the reason my new car tires are filled with nitrogen and not air? | 0 |
18. In the electrolytic cell, flow of electrons is from
[2003S]
(a) Cathode to anode in solution
(b) Cathode to anode through external supply
(c) Cathode to anode through internal supply
(d) Anode to cathode through internal supply | 1 |
How can I continue to improve my English? | 0 |
9. $\mathrm{H}_{3} \mathrm{PO}_{4}$ is a tribasic acid and one of its salt is $\mathrm{NaH}_{2} \mathrm{PO}_{4}$. What volume of 1 M NaOH solution should be added to 12 g of $\mathrm{NaH}_{2} \mathrm{PO}_{4}$ to convert it into $\mathrm{Na}_{3} \mathrm{PO}_{4}$ ?
(a) 100 mL
(b) 200 mL
(c) 80 mL
(d) 300 mL | 1 |
How can we listen to songs on SoundCloud offline? | 0 |
2. The de Broglie wavelength of an electron in the $4^{\text {th }}$ Bohr orbit is:
(a) $2 \pi \mathrm{a}_{0}$
(b) $4 \pi \mathrm{a}_{0}$
(c) $6 \pi \mathrm{a}_{0}$
(d) $8 \pi \mathrm{a}_{0}$ | 1 |
How do I actually lose weight? | 0 |
8. If $\left|\begin{array}{lll}x^{n} & x^{n+2} & x^{n+3} \\ y^{\prime \prime} & y^{n+2} & y^{n+3} \\ z^{n} & z^{n+2} & z^{n+3}\end{array}\right|=(x-y)(y-z)(z-x)\left(\frac{1}{x}+\frac{1}{y}+\frac{1}{z}\right)$, then $n$ equals
a. 1
b. -1
c. 2
d. -2 | 1 |
What is Illuminati? | 0 |
Does Node.js use threads? | 0 |
What will happen if banks increase the interest rates? | 0 |
How do I make the full use of my time at noon? | 0 |
Who introduced the term "multiframe"? | 0 |
I have a business idea, but no finance and I need investment/ loan to start a foods and beverages manufacturing company. How will I get funds? | 0 |
83. The domain of $f(x)=\ln \left(a x^{3}+(a+b) x^{2}+(b+c) x+c\right)$, where $a>0, b^{2}-4 a c=0$, is (where [.] represents greatest integer function).
a. $(-1, \infty) \sim\left\{-\frac{b}{2 a}\right\}$
h. $(1, \infty) \sim\left\{-\frac{b}{2 a}\right\}$
c. $(-1,1) \sim\left\{-\frac{b}{2 a}\right\}$
d. None of these | 1 |
Why do profits of oil refineries drop when oil prices go high? | 0 |
13. A closed cylindrical tube containing some water (not filling the entire tube) lies in a horizontal plane. If the tube is rotated about a perpendicular bisector, the moment of inertia of water about the axis
(a) increases
(b) decreases
(c) remains constant
(d) increases if the rotation is clockwise and decreases if ... | 1 |
33. The freezing point of benzene decreases by $0.45^{\circ} \mathrm{C}$ when 0.2 g of acetic acid is added to 20 g of benzene. If acetic acid associates to form a dimer in benzene, percentage association of acetic acid in benzene will be ( $K_{f}$ for benzene $=5.12 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$ )
(... | 1 |
56. $\int_{\sin \theta}^{\cos \theta} f(x \tan \theta) d x\left(\right.$ where $\left.\theta \neq \frac{n \pi}{2}, n \in I\right)$ is equal to
$$
\text { a. }-\cos \theta \int_{1}^{\tan \theta} f(x \sin \theta) d x
$$
b. $-\tan \theta \int_{\cos \theta}^{\sin \theta} f(x) d x$
c. $\sin \theta \int_{1}^{\tan \theta} f(... | 1 |
What should I know before going to watch Interstellar? | 0 |
Which bond is more polar in the following pairs of molecules:
(a) $\mathrm{H}_3 \mathrm{C}-\mathrm{H}, \mathrm{H}_3 \mathrm{C}-\mathrm{Br}$
(b) $\mathrm{H}_3 \mathrm{C}-\mathrm{NH}_2, \mathrm{H}_3 \mathrm{C}-\mathrm{OH}$
(c) $\mathrm{H}_3 \mathrm{C}-\mathrm{OH}$, $\mathrm{H}_3 \mathrm{C}-\mathrm{SH}$ | 1 |
How do I change contact no in aadhar card? | 0 |
Can India host the Summer Olympics? | 0 |
6. When light is refracted, which of the following does not
change ?
(a) Wavelength (b) Frequency
(c) Velocity (d) Amplitude | 1 |
I'm a 26 year old unmarried woman. I feel like my whole family hates me for not being married till now. What should I do? | 0 |
What can I do to earn without money? | 0 |
Do you think both Radhika Apte and Bani J look similar? | 0 |
Who wrote Seven Lamps of Architecture? | 0 |
Are there any answers to the Pradox of the Stone? | 0 |
What's your bucket list? | 0 |
17. $M$ is molecular weight of $\mathrm{KMnO}_{4}$. The equivalent weight of $\mathrm{KMnO}_{4}$ when it is converted into $\mathrm{K}_{2} \mathrm{MnO}_{4}$ is
(a) $M$
(b) $M / 3$
(c) $M / 5$
(d) $M / 7$ | 1 |
What do monotheists believe? | 0 |
7. A mass of gas is first expanded isothermally and then compressed adiabatically to its original volume. What further simplest operation must be performed on the gas to restore it to its original state?
(a) An isobaric cooling to bring its temperature to initial value
(b) An isochoric cooling to bring its pressure t... | 1 |
Suppose A and B are subsets of U. How do you show that below, if any one of the relations stated holds, then each of the others holds: A ⊆ B, U ∖ A ⊇ U ∖ B, A ∪ B = B, A ∩ B = A? | 0 |
How can I get better grades? | 0 |
The Neocerebellum supports what other part of the brain? | 0 |
What is over all judicial proceedings involving private party lawsuits? | 0 |
98. If $\cos ^{2} A+\cos ^{2} B+\cos ^{2} C=1$, then $\triangle A B C$ is
a. equilateral
b isosceles
c. right angled
d none of these | 1 |
Do you believe in luck? If so, how would define luck? | 0 |
What is the average salary of an MBA graduate? | 0 |
How do I prepare for DU LLB 3 year entrance exam test? | 0 |
8. On a hot summer night, the refractive index of air is smallest near the ground and increases with height from the ground. When a light beam is directed horizontally, the Huygens principle leads us to conclude that as it travels, the light beam
(a) becomes narrower
(b) goes horizontally without any deflection
(c) ... | 1 |
9.30 Knowing the properties of $\mathrm{H}_2 \mathrm{O}$ and $\mathrm{D}_2 \mathrm{O}$, do you think that $\mathrm{D}_2 \mathrm{O}$ can be used for drinking purposes? | 1 |
What things can you do in Japan that you cannot in the USA? | 0 |
14. Three particles $A, B$ and $C$ move in a circle in anticlockwise direction with speeds $1 \mathrm{~ms}^{-1}$, $2.5 \mathrm{~ms}^{-1}$ and $2 \mathrm{~ms}^{-1}$ respectively. The initial positions of $A, B$ and $C$ are as shown in figure. The ratio of distance travelled by $B$ and $C$ by the instant $A, B$ and $C$ m... | 1 |
13. The value of $\sum_{r=0}^{(00)}{ }^{1(0)} C_{r}(\sin r x)$ is equal to
a. $2^{100} \cos ^{100} \frac{x}{2} \sin 50 x$
b. $2^{100} \sin (50 x) \cos \frac{x}{2}$
c. $2^{101} \cos ^{100}(50 x) \sin \frac{x}{2}$
d. $2^{100} \sin ^{100}(50 x) \cos (50 x)$ | 1 |
Is it possible to make a quantum computer at home? If yes what equipments do I need? | 0 |
Can I upload an Android app to the Google Play Store for free? | 0 |
19. If $|z|=1$ and $\omega=(z-1) /(z+1)$ (where $z \neq-1)$, then $\operatorname{Re}(\omega)$ is
a. 0
b. $\frac{1}{|z+1|^{2}}$
c. $\left|\frac{z}{z+1}\right| \frac{1}{|z+1|^{2}}$
d. $\frac{\sqrt{2}}{|z+1|^{2}}$ | 1 |
I'm sort of an introvert. Kindly tell me how to begin a conversation with a total stranger? | 0 |
In which sites I can watch Hollywood movies for free with English subtitles? | 0 |
How many Commonwealth nations still consider the British Queen their head of state? | 0 |
Example 1.90 If $f(x)=\left(a x^{2}+b\right)^{3}$, then find the function $g$ such that $f(g(x))=g(f(x))$. | 1 |
What did Germanic people create in place of the Western Roman Empire? | 0 |
Does eating eggs every day cause allergies? | 0 |
Is Angular 2 easy to use with Firebase? | 0 |
How would you describe a Virgo sun, Scorpio moon, and Gemini rising female? | 0 |
In what year did he become the CEO of Sony Music? | 0 |
I have mentioned my present address in passport, but now I am planing to move from this place, Is it necessary to apply for passport address update? | 0 |
Are mutual funds worth the investment? | 0 |
Example 3.5 If the vertex of a parabola is the point $(-3,0)$ and the directrix is the line $x+5=0$, then find its equation. | 1 |
81 A sinusoidal transverse wave traveling in the negative direction of an $x$ axis has an amplitude of 1.00 cm , a frequency of 550 Hz , and a speed of $330 \mathrm{~m} / \mathrm{s}$. If the wave equation is of the form $y(x, t)=y_{m} \sin (k x \pm \omega t)$, what are (a) $y_{m}$, (b) $\omega$, (c) $k$, and (d) the co... | 1 |
- Example 25 If length of three sides of a trapezium other than base are equal to 10 cm , then find the area of the trapezium when it is maximum. | 1 |
(i) sodium metal is dropped in water ? | 1 |
The three-layered structure covering the cerebrum in non-mammals is known as what? | 0 |
18. If the de-Broglie wavelength of a proton is $10^{-13} \mathrm{~m}$, the electric potential through which it must have been accelerated is
(a) $4.07 \times 10^{4} \mathrm{~V}$
(b) $8.15 \times 10^{4} \mathrm{~V}$
(c) $8.15 \times 10^{3} \mathrm{~V}$
(d) $4.07 \times 10^{5} \mathrm{~V}$ | 1 |
What did the published scheme attempt to do? | 0 |
How can I get rid of my anxiety and depression? | 0 |
What is the difference between Amazon and Shopify? | 0 |
Who consolidated the Maratha kingdom? | 0 |
10. An equilateral triangular conducting frame is rotated with angular velocity $\omega$ in a uniform magnetic field $B$ as shown. Side of triangle is $l$. Choose the correct options.
(a) $V_{a}-V_{c}=0$
(b) $V_{a}-V_{c}=\frac{B \omega l^{2}}{2}$
(c) $V_{a}-V_{b}=\frac{B \omega l^{2}}{2}$
(d) $V_{c}-V_{b}=-\frac{B \ome... | 1 |
21. A student fills the region $-\infty<x \leq 0$ and $0 \leq y<\infty$ with a medium of refraction index $\mu_{1}$. He found that now the central bright fringe is formed at a point P whose coordinates are -
(a) $y=0$
(b) $y>0$
(c) $y<0$
(d) none of these | 1 |
8. A body is moving down an inclined plane of slope $37^{\circ}$. The coefficient of friction between the body and the plane varies as $\mu=0.3 x$, where $x$ is the distance traveled down the plane by the body. The body will have maximum speed. $\sin 37^{\circ}=\frac{3}{5}$
(a) at $x=1.16 \mathrm{~m}$
(b) at $x=2 \math... | 1 |
Is minimum one lac rupees still required to form a private limited firm in India, as per new rule? | 0 |
16. If $f(x)=x+|x|+\cos \left(\left[\pi^{2}\right] x\right)$ and $g(x)=\sin x$, where [.] denotes the greatest integer function, then
a. $f(x)+g(x)$ is continuous everywhere.
b. $f(x)+g(x)$ is differentiable everywhere.
c. $f(x) \times g(x)$ is differentiable everywhere.
d. $f(x) \times g(x)$ is continuous but not diff... | 1 |
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