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1. A
   $\frac{N^2 A^2 B^2 \omega^2}{2R}$
2. B
   $\frac{BNA\omega}{R}$
3. C
   $\frac{N^2 AB^2 R}{\omega^2}$
4. D
   $\frac{BA\omega^2}{NR}$

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1. A
   1:4
2. B
   1:8
3. C
   1:16
4. D
   1:64

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1. A
   $24\varepsilon_0$ F
2. B
   $\frac{310}{\varepsilon_0}$ F
3. C
   $\frac{10}{3}\varepsilon_0$ F
4. D
   $10\varepsilon_0$ F

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1. A
   $(\sqrt{3}+1)R$
2. B
   $(\sqrt{3}-1)R$
3. C
   $\sqrt{3}R$
4. D
   $3R$

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

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1. A
   $\frac{1}{8}$
2. B
   $\frac{1}{16}$
3. C
   $\frac{1}{4}$
4. D
   $\frac{1}{2}$

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

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1. A
   $\frac{MgLB}{R}$
2. B
   $\frac{LBMg}{R}$
3. C
   $\frac{MgR}{LB}$
4. D
   $\frac{LRMg}{B}$

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1. A
   $\frac{3}{16}R$
2. B
   $\frac{9}{16}R$
3. C
   $\frac{16}{9}R$
4. D
   $\frac{16}{3}R$

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1. A
   0.14 m
2. B
   0.21 m
3. C
   0.24 m
4. D
   0.28 m

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1. A
   $\sqrt{K_1 K_2}$
2. B
   $\sqrt{\frac{K_2}{K_1}}$
3. C
   $\sqrt{\frac{K_1}{K_2}}$
4. D
   $\frac{K_2}{K_1}$

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1. A
   3
2. B
   9
3. C
   27
4. D
   81

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

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1. A
   $\frac{hc}{2(W_0+eV)}$
2. B
   $\frac{hc}{W_0}$
3. C
   $\frac{hc}{VW_0}$
4. D
   $\frac{hc}{W_0+eV}$

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1. A
   216 nm
2. B
   434 nm
3. C
   868 nm
4. D
   642 nm

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1. A
   $\frac{1}{8}$
2. B
   $\frac{1}{9}$
3. C
   $\frac{1}{16}$
4. D
   $\frac{1}{64}$

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1. A
   Benzene
2. B
   Benzoic acid
3. C
   Benzaldehyde
4. D
   p-Benzoquinone

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1. A
   600 mm Hg
2. B
   570 mm Hg
3. C
   534 mm Hg
4. D
   480 mm Hg

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1. A
   It is a copolymer and polymerization occurs in presence of MgO.
2. B
   It is a synthetic rubber.
3. C
   It is used to prepare hose pipes for transport of gasoline.
4. D
   The monomer involved in its preparation is unsaturated.

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1. A
   Pentaamminecobalt(III) sulphate
2. B
   Potassiumtrioxalatoaluminate(III)
3. C
   Diamminedichloroplatinum(II)
4. D
   Potassiumhexacyanoferrate(III)

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1. A
   It contains two carboxyl and four hydroxyl groups.
2. B
   It contains one carboxyl group and five hydroxyl groups.
3. C
   It contains two carboxyl groups and five hydroxyl groups.
4. D
   It contains three carboxyl and two hydroxyl groups.

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1. A
   NaCl
2. B
   $\text{C}_6\text{H}_6$
3. C
   $\text{CrO}_2$
4. D
   $\text{H}_2\text{O}$

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1. A
   Ribose
2. B
   Glucose
3. C
   Ribulose
4. D
   Benzene

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1. A
   But-2-ene and But-1-ene
2. B
   Methoxymethane and Ethanol
3. C
   Ethoxyethane and Methoxypropane
4. D
   Butane and 2-Methylpropane

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1. A
   Siderite
2. B
   Calamine
3. C
   Chalcocite
4. D
   Limonite

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