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1. A
   O
2. B
   S
3. C
   F
4. D
   Cl

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1. A
   $2.40\times10^{-22}\ \text{cm}^3$
2. B
   $3.51\times10^{-22}\ \text{cm}^3$
3. C
   $1.56\times10^{-22}\ \text{cm}^3$
4. D
   $1.02\times10^{-22}\ \text{cm}^3$

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1. A
   Zero
2. B
   One
3. C
   Two
4. D
   Three

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1. A
   $\text{C}_6\text{H}_{12}\text{O}_6$
2. B
   $\text{C}_5\text{H}_{10}\text{O}_5$
3. C
   $\text{C}_4\text{H}_8\text{O}_4$
4. D
   $\text{C}_3\text{H}_6\text{O}_3$

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1. A
   $\text{CuO},\ \text{Cu}_2\text{O}$
2. B
   $\text{NaNO}_3,\ \text{CaCO}_3$
3. C
   $\text{CO},\ \text{CO}_2$
4. D
   $\text{N}_2\text{O}_4,\ \text{N}_2\text{O}_5$

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1. A
   2
2. B
   4
3. C
   6
4. D
   12

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1. A
   Option a
2. B
   Option b
3. C
   Option c
4. D
   Option d

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1. A
   Propane-1,2-diol
2. B
   Propane-1,3-diol
3. C
   Propene-1,2,3-triol
4. D
   Propane-1,2,3-triol

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1. A
   $S=\left(\frac{K_{sp}}{27}\right)^{1/4}$
2. B
   $S=(27\times K_{sp})^{1/4}$
3. C
   $S=\left(\frac{K_{sp}}{4}\right)^{1/4}$
4. D
   $S=(4\times K_{sp})^{1/4}$

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1. A
   ZnCl2/HCl
2. B
   Pd-C quinoline
3. C
   Na/liquid NH3
4. D
   Na/Hg in H2O

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1. A
   $0.06\ \text{mol dm}^{-3}\ \text{s}^{-1}$
2. B
   $0.12\ \text{mol dm}^{-3}\ \text{s}^{-1}$
3. C
   $0.18\ \text{mol dm}^{-3}\ \text{s}^{-1}$
4. D
   $0.24\ \text{mol dm}^{-3}\ \text{s}^{-1}$

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1. A
   $72\ \text{g mol}^{-1}$
2. B
   $80\ \text{g mol}^{-1}$
3. C
   $88\ \text{g mol}^{-1}$
4. D
   $96\ \text{g mol}^{-1}$

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1. A
   Cyclohexylamine
2. B
   Allylamine
3. C
   Trimethylamine
4. D
   Diphenylamine

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1. A
   $\text{H}_2(g)$ serves as fuel
2. B
   $\text{O}_2(g)$ is an oxidising agent
3. C
   Platinum wires are used as anode and cathode
4. D
   Hot aqueous KOH solution acts as an electrolyte

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1. A
   Cr
2. B
   H
3. C
   O
4. D
   I

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1. A
   4.5
2. B
   3.2
3. C
   5.6
4. D
   6.4

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1. A
   25
2. B
   14
3. C
   16
4. D
   20

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1. A
   $\frac{9}{14}\tan^{-1}\!\frac{x}{2}+\frac{5}{14\sqrt{3}}\log\left|\frac{x-\sqrt{3}}{x+\sqrt{3}}\right|+c$
2. B
   $\frac{9}{7}\tan^{-1}\!\frac{x}{2}+\frac{5}{7\sqrt{3}}\log\left|\frac{x-\sqrt{3}}{x+\sqrt{3}}\right|+c$
3. C
   $\frac{9}{7}\tan^{-1}\!\frac{x}{2}-\frac{5}{7\sqrt{3}}\log\left|\frac{x-\sqrt{3}}{x+\sqrt{3}}\right|+c$
4. D
   $\frac{9}{14}\tan^{-1}\!\frac{x}{2}+\frac{5}{7}\log\left|\frac{x-\sqrt{3}}{x+\sqrt{3}}\right|+c$

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1. A
   $-\frac{1}{2}$
2. B
   $\frac{1}{2}$
3. C
   $1$
4. D
   $-1$

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1. A
   one
2. B
   two
3. C
   three
4. D
   four

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1. A
   order 2, degree 3
2. B
   order 3, degree 2
3. C
   order 2, degree 2
4. D
   order 3, degree 3

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1. A
   $\frac{\sqrt{3}}{2}x^2$
2. B
   $\frac{x^3}{8}$
3. C
   $\frac{1}{2}x^2$
4. D
   $\pi x^2$

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1. A
   $p\wedge\sim p$
2. B
   $p\vee\sim p$
3. C
   $p\vee q$
4. D
   $(p\wedge(p\to q))\to q$

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1. A
   2
2. B
   1
3. C
   $\frac{1}{2}$
4. D
   4

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1. A
   $\frac{1}{20},\ \frac{3}{7}$
2. B
   $\frac{5}{21},\ \frac{3}{7}$
3. C
   $\frac{1}{21},\ \frac{3}{7}$
4. D
   $\frac{1}{20},\ \frac{4}{7}$

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