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1. A
   0.0216 ohm⁻¹ cm⁻¹
2. B
   0.0116 ohm⁻¹ cm⁻¹
3. C
   0.0416 ohm⁻¹ cm⁻¹
4. D
   0.0859 ohm⁻¹ cm⁻¹

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1. A
   +6
2. B
   −6
3. C
   +2
4. D
   +3

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1. A
   $C_nH_{2n+1}O$
2. B
   $C_nH_{2n}O$
3. C
   $C_nH_{2n+1}O_2$
4. D
   $C_nH_{2n}O_2$

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1. A
   Butan-2-ol and 2-Methylpropanol
2. B
   Butan-1-ol and 1-Methoxypropane
3. C
   1-Methoxypropane and Ethoxyethane
4. D
   Methoxyethane and Ethoxyethane

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

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1. A
   $P_1 = P_1^\circ x_1$
2. B
   $P_1^* = P_1 x_1$
3. C
   $P_1 = P_1^* x_2$
4. D
   $P_1^0 = P_1 x_2$

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1. A
   Ethanoic acid
2. B
   Propanoic acid
3. C
   Propanol
4. D
   Propanone

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1. A
   $4.810\times10^{-13}$
2. B
   $5.184\times10^{-13}$
3. C
   $6.454\times10^{-13}$
4. D
   $5.925\times10^{-13}$

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1. A
   $k = 1/\rho$
2. B
   $k = G\cdot\frac{1}{a}$
3. C
   $k = \frac{1}{R}\cdot\frac{a}{l}$
4. D
   $k = \Lambda\cdot c$

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1. A
   1
2. B
   0
3. C
   3
4. D
   2

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1. A
   Tryptophan
2. B
   Threonine
3. C
   Phenylalanine
4. D
   Histidine

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1. A
   Nylon 6
2. B
   Nylon 6,6
3. C
   Polythene
4. D
   Buna-S

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

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1. A
   $2.356\times10^{-5}$ M
2. B
   $1.881\times10^{-5}$ M
3. C
   $1.417\times10^{-5}$ M
4. D
   $1.148\times10^{-5}$ M

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1. A
   $\left\{\frac{\pi}{6}, \frac{5\pi}{6}\right\}$
2. B
   $\left\{\frac{\pi}{3}, \frac{5\pi}{3}\right\}$
3. C
   $\left\{\frac{\pi}{3}, \frac{2\pi}{3}\right\}$
4. D
   $\left\{\frac{2\pi}{3}, \frac{4\pi}{3}\right\}$

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1. A
   $\frac{7}{3}$
2. B
   $\frac{10}{3}$
3. C
   $\frac{4}{3}$
4. D
   $\frac{5}{3}$

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1. A
   $\frac{\pi}{6}$
2. B
   $\frac{\pi}{3}$
3. C
   $\frac{\pi}{4}$
4. D
   $\frac{\pi}{2}$

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1. A
   24
2. B
   46
3. C
   56
4. D
   36

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

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1. A
   0
2. B
   3
3. C
   4
4. D
   1

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1. A
   0.7843
2. B
   0.7849
3. C
   0.7847
4. D
   0.7851

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1. A
   $(6,5,2)$
2. B
   $(4,3,2)$
3. C
   $(6,5,-2)$
4. D
   $(3,4,-2)$

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1. A
   $3x^2-xy-2y^2=0$
2. B
   $3x^2+xy+2y^2=0$
3. C
   $3x^2-xy+2y^2=0$
4. D
   $3x^2+xy-2y^2=0$

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1. A
   $8x-14y-13z-3=0$
2. B
   $8x-14y+13z+75=0$
3. C
   $8x+14y+13z+19=0$
4. D
   $8x+14y-13z-59=0$

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1. A
   $\left(\frac{3}{2},-\frac{1}{2},-1\right)$
2. B
   $\left(\frac{3}{2},\frac{1}{2},1\right)$
3. C
   $\left(-\frac{3}{2},\frac{1}{2},1\right)$
4. D
   $\left(-\frac{3}{2},-\frac{1}{2},-1\right)$

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