Question stringlengths 2 3k | label int64 0 1 |
|---|---|
Can I play YouTube song videos for background music in my cafe? | 0 |
What are some forms of corruption now called? | 0 |
What are the most used labels in America to describe homosexuals? | 0 |
11.29 What do you understand by (a) inert pair effect (b) allotropy and (c) catenation? | 1 |
23. Which of the functional group is NOT present in Atropine?
Atropine
(A) Amine
(B) Phenol
(C) ester
(D) Benzene ring | 1 |
How do I root Android KitKat 4.4.2 without downloading any software? | 0 |
Ex. 2. Find the empirical formula of vanadium oxide if 2.73 g of the oxide contains 1.53 g of the metal.
$$
(\mathrm{V}=51, \mathrm{O}=16)
$$ | 1 |
Example 8.30 Evaluate $\int_0^{4 \pi} \frac{d x}{\cos ^2 x\left(2+\tan ^2 x\right)}$. | 1 |
What does émouvoir mean in English? | 0 |
5. Match the following two columns.
| | Column I | Column II |
| :---: | :---: | :---: |
| (a) | Specific heat | (p) watt |
| (b) | Heat capacity | (q) $\mathrm{J} / \mathrm{kg}-{ }^{\circ} \mathrm{C}$ |
| (c) | Heat current | (r) $\mathrm{J} / \mathrm{s}$ |
| (d) | Latent heat | (s) None of these | | 1 |
19. A $50 \mathrm{~kg}$ person stands on a $25 \mathrm{~kg}$ platform. He pulls on the rope which is attached to the platform via the frictionless pulleys as shown in the figure. The platform moves upwards at a steady rate if the force with which the person pulls the rope is
^{2}=0$
b. $d^{2}+(3 b+2 c)^{2}=0$
c. $d^{2}+(2 b-3 c)^{2}=0$
d. none of these | 1 |
18. If $x^{2}+y^{2}=1$, then
(a) $y y^{\prime \prime}-2\left(y^{\prime}\right)^{2}+1=0$
(b) $y y^{\prime \prime}+\left(y^{\prime}\right)^{2}+1=0$
(c) $y y^{\prime \prime}+\left(y^{\prime}\right)^{2}-1=0$
(d) $y y^{\prime \prime}+2\left(y^{\prime}\right)^{2}+1=0$
$(2000,1 M)$ | 1 |
14. Which of the following will most readily give the dehydrohalogenation product?
(a)
(b)
. $F$ is proportional to
 \hat{\mathrm{i}}-(12 \mathrm{~m}) \hat{j}$ along a straight embankment by rushing water, which exerts a force $\vec{F}=(210 \mathrm{~N}) \hat{\mathrm{i}}-(150 \mathrm{~N}) \hat{\mathrm{j}}$ on the block. How much work does th... | 1 |
I what year was Maggie printed for commercial use? | 0 |
16. The spring balance $A$ reads $2 \mathrm{~kg}$ with a block $m$ suspended from it. A balance $B$ reads $5 \mathrm{~kg}$ when a beaker with liquid is put on the pan of the balance. The two balances are now so arranged that the hanging mass is inside the liquid in the beaker as shown in the figure. In this situation
... | 1 |
42. State with balanced equations, what happens when :
(i) Tin is treated with moderately concentrated nitric acid.
(ii) Aluminium is reacted with hot concentrated caustic soda solution | 1 |
6. If $a+b+c=0$, then the quadratic equation
$3 a x^{2}+2 b x+c=0$ has
(1983, 1M)
(a) at least one root in $(0,1)$
(b) one root in $(2,3)$ and the other in $(-2,-1)$
(c) imaginary roots
(d) None of the above | 1 |
7. Assuming human pupil to have a radius of $0.25 \mathrm{~cm}$ and a comfortable viewing distance of $25 \mathrm{~cm}$, the minimum separation between two objects that human eye can resolve at $500 \mathrm{~nm}$ wavelength is
(a) $30 \mu \mathrm{m}$
(b) $1 \mu \mathrm{m}$
(c) $100 \mu \mathrm{m}$
(d) $300 \mu \mathrm{... | 1 |
What are ways that small social groups can force morality? | 0 |
49. Read the following statement and explanation and answer as per the options given below :
Assertion : The heat absorbed during the isothermal expansion of an ideal gas against vacuum is zero.
Reason : The volume occupied by the molecules of an ideal gas is zero.
(a) If both assertion and reason are CORRECT and re... | 1 |
My friend is being raped by her husband. How do I stop my feelings about this from interfering with our friendship? | 0 |
17. If in a triangle, $\left(1-\frac{r_{1}}{r_{2}}\right)\left(1-\frac{r_{1}}{r_{3}}\right)=2$, then the triangle is
a. right angled
b. isosceles
c. equilateral
d none of these | 1 |
How do I deal with wedding night? | 0 |
3. In a right angled triangle ABC with $A=\frac{\pi}{2}$, a circle is drawn touching the side $\mathrm{AB}, \mathrm{AC}$ and in circle of the triangle. It's radius is equal to
(a) $(2-\sqrt{2}) r$
(b) $(3-\sqrt{2}) r$
(c) $(3+\sqrt{2}) r$
(d) $(3-2 \sqrt{2}) r$ | 1 |
10. A thin prism of angle $6.0^{\circ}, \omega=0.07$ and $\mu_{y}=1.50$ is combined with another thin prism having $\omega=0.08$ and $\mu_{y}=1 \cdot 60$. The combination produces no deviation in the mean ray. | 1 |
Which are the best countries to visit in july? | 0 |
7. The reason for "drug induced poisoning" is
(a) Binding reversibly at the active site of the enzyme
(b) Bringing conformational change in the binding site of enzyme
(c) Binding irreversibly to the active site of the enzyme
(d) Binding at the allosteric sites of the enzyme | 1 |
What are Moroccans like, and how does their culture compare to Ethiopia's? | 0 |
Twelve 12 persons are to be arranged around two round tables such that one table can accommodate seven persons and another five persons only. Answer the following questions.
4. Number of ways in which these 12 persons can be arranged is
a. ${ }^{12} C_{5} 6!4$ !
b. 6!4!
c. ${ }^{12} C_{5} 6!4$ !
d. none of these
5. Nu... | 1 |
What happens with contracts to aid corruption? | 0 |
74. Water is drained from a vertical cylindrical tank by opening a valve at the base of the tank. It is known that the rate at which the water level drops is proportional to the square root of water depth $y$, where the constant of proportionality $k>0$ depends on the acceleration due to gravity and the geometry of the... | 1 |
How much did SCA pay for CBS Records? | 0 |
What is the Sahara, and how do the average temperatures there compare to the ones in the Mojave Desert? | 0 |
What is the length in miles of the Aravalli Range? | 0 |
2. For one mole of an ideal gas, which of these statements must be true? [$
(1) $\mathrm{U}$ and $\mathrm{H}$ each depends only on temperature
(2) Compressibility factor $z$ is not equal to 1
(3) $C_{P, m}-C_{V, m}=R$
(4) $\mathrm{dU}=\mathrm{C}_{\mathrm{V}} \mathrm{dT}$ for any process
(a) (1) and (3)
(b) (2), (... | 1 |
15. A 1-litre vessel contains 2 moles each of gases $A, B, C$ and $D$ at equilibrium. If 1 mole each of A and B are removed, $K_c$ for $\mathrm{A}+\mathrm{B} \rightleftharpoons \mathrm{C}+\mathrm{D}$ will be
(a) 4
(b) 1
(c) $1 / 4$
(d) 2 | 1 |
16. For Freundlich adsorption isotherm, a plot of $\log (x / \mathrm{m})(y$-axis) and $\log p(x$-axis) gives a straight line. The intercept and slope for the line is 0.4771 and 2, respectively. The mass of gas, adsorbed per gram of adsorbent if the initial pressure is $0.04 \mathrm{~atm}$, is $\times 10^{-4} \mathrm{~g... | 1 |
How do I make questions on Quora? I really don't know! How do I do it? | 0 |
Why do people say the earth is flat when we have seen photos of the earth (which is round)? | 0 |
42. The equation $P^{\prime}(x)=0$ has
a. three distinct real roots
b. one real roots
c. three real roots such that one root is repeated
d none of these | 1 |
13. The equation of the tangent to the curve $y=b e^{-x / a}$ at the point where it crosses the $y$-axis is
a. $\frac{x}{a}-\frac{y}{b}=1$
c. $a x-b y=1$
d. $\frac{x}{a}+\frac{y}{b}=1$
h. $a x+b y=1$ | 1 |
What English representative body provided consent for royal taxation? | 0 |
13. The heat of neutralisation of HCl by NaOH is $-55.9 \mathrm{~kJ} /$ mole. If the heat of neutralisation of HCN by NaOH is $-12.1 \mathrm{~kJ} /$ mole, the energy of dissociation of HCN is
(a) -43.8 kJ
(b) 43.8 kJ
(c) 68 kJ
(d) -68 kJ | 1 |
In what century did Gregory of Tours live? | 0 |
What is the name of the Vietnamese American support network for the LGBT community? | 0 |
What does the Young Money hand symbol mean? | 0 |
6. $\lim _{n \rightarrow \infty}\left[\sum_{r=1}^{n} \frac{1}{2^{r}}\right]$, where [.] denotes the greatest integer function, is equal to
a. 1
b. 0
c. Non-existent
d. None of these | 1 |
Example 1 A particle is projected from ground with velocity $40 \mathrm{~m} / \mathrm{s}$ at $60^{\circ}$ from horizontal.
(a) Find the speed when velocity of the particle makes an angle of $37^{\circ}$ from horizontal.
(b) Find the time for the above situation.
(c) Find the vertical height and horizontal distance o... | 1 |
45. The pH of an aqueous solution of $0.01 \mathrm{M} \mathrm{CH}_3 \mathrm{COONH}_4$ at $25^{\circ} \mathrm{C}$ is
$$
\left(K_{\mathrm{a}}\left(\mathrm{CH}_3 \mathrm{COOH}\right)=K_{\mathrm{b}}\left(\mathrm{NH}_4 \mathrm{OH}\right)=1.8 \times 10^{-5}\right)
$$
(a) $>7$
(b) $<7$
(c) 7
(d) 8 | 1 |
How does Google calculate the use over time of words? | 0 |
Which scientist developed a means of viewing space? | 0 |
What is the role of psychology in the spread of crimes? | 0 |
33. For the equilibrium $\mathrm{PCl}_{5} \rightleftharpoons \mathrm{PCl}_{3}+\mathrm{Cl}_{2}, \quad \mathrm{~K}_{p}=\frac{\alpha^{2}}{(1-\alpha) V}$; temperature remaining constant,
(a) $K_{p}$ will increase with the increase in volume
(b) $K_{p}$ will increase with the decrease in volume
(c) $K_{p}$ will not change w... | 1 |
24. In the given figure the current through $4 \Omega$ resistor is
(a) $1.4 \mathrm{~A}$
(b) $0.4 \mathrm{~A}$
(c) $1.0 \mathrm{~A}$
(d) $0.7 \mathrm{~A}$
 | 1 |
A synapse whose purpose is to excite the target cell are called what? | 0 |
7. Choose the correct options.
(a) In $p=\frac{m}{M} R T, m$ is mass of gas per unit volume
(b) In $p V=\frac{m}{M} R T, m$ is mass of one molecule of gas
(c) In $p=\frac{1}{3} \frac{m N}{V} v_{\mathrm{rms}}^{2}, m$ is total mass of gas.
(d) In $v_{\text {rms }}=\sqrt{\frac{3 k T}{m}}, m$ is mass of one molecule of... | 1 |
What is the next number in the sequence? | 0 |
18
 | 1 |
9. The energy of an atom or ion in the first excited state is $-13.6 \mathrm{eV}$. It may be
(a) $\mathrm{He}^{+}$
(b) $\mathrm{Li}^{++}$
(c) hydrogen
(d) deuterium | 1 |
18. Given
$\mathrm{Fe}^{3+}(\mathrm{aq})+\mathrm{e}^{-} \rightarrow \mathrm{Fe}^{2+}(\mathrm{aq}) ; \mathrm{E}^{\circ}=+0.77 \mathrm{~V}$
$\mathrm{Al}^{3+}(\mathrm{aq})+3 \mathrm{e}^{-} \rightarrow \mathrm{Al}(\mathrm{s}) ; \mathrm{E}^{\circ}=-1.66 \mathrm{~V}$
$\mathrm{Br}_{2}(\mathrm{aq})+2 \mathrm{e}^{-} \rightar... | 1 |
111. A seven-digit number without repetition and divisible by 9 is to be formed by using seven digits out of $1,2,3,4,5,6,7,8$. . The number of ways in which this can be done is
a. 9 !
b. 2(7!)
c. 4 (7!)
d. none of these | 1 |
What the world would be if there weren't world wars? | 0 |
Who is best cricketer in world? | 0 |
How can I stop being judgmental of people? | 0 |
9. The values of $\left|A^{50}\right|$ equals
a. 0
b. 1
c. -1
d. 25 | 1 |
What is Illuminati? | 0 |
6. The work function of a metal is $h v_{0}$. Light of frequency $v$ falls on this metal. The photoelectric effect will take place only if
(a) $v \geq v_{0}$
(b) $v>2 v_{0}$
(c) $v<v_{0}$
(d) $v<v_{0} / 2$. | 1 |
How do cashback money sites like Paytm make money? | 0 |
Why can't any one answer my questions? | 0 |
Which field of engineering gives the highest salary? | 0 |
9. In the circuit shown in figure it is given that $V_{b}-V_{a}=2$ volt. Choose the correct options.
(a) Current in the wire is $6 \mathrm{~A}$
(b) Direction of current is from $a$ to $b$
(c) $V_{a}-V_{c}=12$ volt
(d) $V_{c}-V_{a}=12$ volt
 $\mathrm{KNO}_{3}$
(b) $\mathrm{Pb}\left(\mathrm{NO}_{3}\right)_{2}$
(c) $\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}$
(d) $\mathrm{AgNO}_{3}$ | 1 |
30. Match the following compounds (Column-I) with their uses (Column-II) :
| | Column-I | | Column-II |
| :---: | :---: | :---: | :---: |
| (I) | $\mathrm{Ca}(\mathrm{OH})_{2}$ | (A) | casts of statutes |
| (II) | $\mathrm{NaCl}$ | (B) | white wash |
| (III) | $\mathrm{CaSO}_{4} \cdot \frac{1}{2} \mathrm{H}_{2} \mat... | 1 |
83. The value of $\int_{.0}^{1}\left(\prod_{r=1}^{n}(x+r)\right)\left(\sum_{k=1}^{n} \frac{1}{x+k}\right) d x$ equals
a. $n$
b. $n$ !
c. $(n+1)!\quad \mathbf{d} n \cdot n!$ | 1 |
Some reception statutes impose what? | 0 |
33. $\lim _{x \rightarrow 1}\left[\operatorname{cosec} \frac{\pi x}{2}\right]^{1 /(1-x)}$ (where [.] represents the greatest integer function) is equal to
a. 0
b. 1
c. $\infty$
d. Does not exist | 1 |
- Example 34.8 A radioactive sample consists of two distinct species having equal number of atoms initially. The mean life of one species is $\tau$ and that of the other is $5 \tau$. The decay products in both cases are stable. A plot is made of the total number of radioactive nuclei as a function of time. Which of the... | 1 |
23. $\int \frac{d x}{x\left(x^{2}+1\right)}$ equals
(A) $\log |x|-\frac{1}{2} \log \left(x^{2}+1\right)+\mathrm{C}$
(B) $\log |x|+\frac{1}{2} \log \left(x^{2}+1\right)+C$
(C) $-\log |x|+\frac{1}{2} \log \left(x^{2}+1\right)+C$
(D) $\frac{1}{2} \log |x|+\log \left(x^{2}+1\right)+C$ | 1 |
2. For determination of resistance of a coil, which of two methods is better Ohm's law method or meter bridge method? | 1 |
30. Which of the following is not the value of $\sin 27^{\circ}-\cos 27^{\circ}$ ?
a. $-\frac{\sqrt{3-\sqrt{5}}}{2}$
h - $-\frac{\sqrt{5-\sqrt{5}}}{2}$
c. $-\frac{\sqrt{5}-1}{2 \sqrt{2}}$
d. none of these | 1 |
2. Consider the equations
$$
P=\operatorname{Lim}_{\Delta \mathrm{s} \rightarrow 0} \frac{F}{\Delta S} \text { and } P_{1}-P_{2}=\rho g z
$$
In an elevator accelerating upward
(a) both the equations are valid
(b) the first is valid but not the second
(c) the second is valid but not the first
(d) both are invalid. | 1 |
5. The number of $3 \times 3$ matrices $\mathrm{A}$ whose entries are either 0 or 1 and for which the system $A\left[\begin{array}{l}x \\ y \\ z\end{array}\right]=\left[\begin{array}{l}1 \\ 0 \\ 0\end{array}\right]$ has exactly two distinct
a. 0
b. $2^{9}-1$
c. 168
d. 2 | 1 |
Can you get pregnant on your period? How likely is it? | 0 |
5
| Column I | Column II |
| :--- | :--- |
| a. The coefficient of two consecutive terms in the <br> expansion of $(1+x)^{\prime \prime}$ will be equa!, then $n$ can be | p. 9 |
| b. If $15^{n}+23^{n}$ is divided by 19 , then $n$ can be | q. 10 |
| c. ${ }^{10} C_{0}{ }^{20} C_{10}-{ }^{10} C_{1}{ }^{18} C_{10}+{ }^{1... | 1 |
8. An electric bulb marked $220 \mathrm{~V}, 100 \mathrm{~W}$ will get fused if it is made to consume $150 \mathrm{~W}$ or more. What voltage fluctuation will the bulb withstand? | 1 |
18. The $\mathrm{Cl}-\mathrm{C}-\mathrm{Cl}$ angle in 1,1,2,2-tetrachloroethene and tetrachloromethane respectively will be about
(a) $120^{\circ}$ and $109.5^{\circ}$
(b) $90^{\circ}$ and $109.5^{\circ}$
(c) $109.5^{\circ}$ and $90^{\circ}$
(d) $109.5^{\circ}$ and $120^{\circ}$ | 1 |
How do I know a typed Wi-Fi password in my mobile? | 0 |
102. An alkene $(A)$ on ozonolysis yields acetone and an aldehyde. The aldehyde is easily oxidized to an acid $(B)$. When $B$ is treated with bromine in presence of phosphorus, it yields a compound (C) which on hydrolysis gives a hydroxy acid (D). This acid can also be obtained from acetone by reaction with hydrogen cy... | 1 |
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