1. A
   1.0 N
2. B
   6.0 N
3. C
   3.0 N
4. D
   5.0 N

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1. A
   only for small amplitudes because then the net force on its bob is independent of its displacement.
2. B
   for any amplitude because the net force on the bob is always proportional to its displacement.
3. C
   for any amplitude because the net force on the bob is independent of its displacement.
4. D
   only for small amplitudes because then the net force on its bob is proportional to its displacement.

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1. A
   Kinetic friction > Static friction > Rolling friction
2. B
   Static friction > Rolling friction > Kinetic friction
3. C
   Static friction > Kinetic friction > Rolling friction
4. D
   Static friction > Kinetic friction = Rolling friction

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1. A
   To the same height as that of position A on the other side in the same trajectory
2. B
   To half the height as that of position A on the other side along the same trajectory
3. C
   The same height at position A
4. D
   It stops at position B

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1. A
   Both the statements are individually true and Statement-2 is the correct explanation of Statement-1.
2. B
   Both the statements are individually true, but Statement-2 is not the correct explanation of Statement-1.
3. C
   Statement-1 is true, but Statement-2 is false.
4. D
   Statement-2 is true, but Statement-1 is false.

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1. A
   1 and 2 only
2. B
   3 and 4 only
3. C
   1, 2, 3 and 4
4. D
   1, 2 and 3 only

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

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1. A
   Mauryas
2. B
   Pushyabhutis
3. C
   Guptas
4. D
   Indo-Greeks

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1. A
   Modernity
2. B
   Feudalism
3. C
   Kingship
4. D
   Medievalism

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

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

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1. A
   1 and 3 only
2. B
   2 and 3 only
3. C
   1, 2 and 3
4. D
   1 and 2 only

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1. A
   $\text{CO}_2$ and $\text{H}_2$
2. B
   $\text{CO}$ and $\text{H}_2$
3. C
   $\text{CO}_2$ and $\text{H}_2\text{O}$
4. D
   $\text{CO}$ and $\text{H}_2\text{O}$

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1. A
   6.8 – 7.2
2. B
   7.0 – 7.8
3. C
   6.5 – 7.5
4. D
   7.5 – 8.0

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1. A
   The specific heat of water is abnormally high.
2. B
   Latent heat of fusion of water is very low.
3. C
   Density of water is higher than ice.
4. D
   Pure water is a non-conductor of electricity.

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1. A
   Ethyl alcohol
2. B
   Acetic acid
3. C
   Ethyl acetate
4. D
   Acetophenone

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1. A
   6, 1
2. B
   1, 6
3. C
   6, 6
4. D
   5, 5

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1. A
   Methanoic acid
2. B
   Ethanoic acid
3. C
   Benzoic acid
4. D
   Acetic acid

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1. A
   Magnesium bicarbonate
2. B
   Magnesium carbonate
3. C
   Magnesium sulphate
4. D
   Magnesium hydroxide

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1. A
   Metallotropic liquid crystal
2. B
   Thermotropic liquid crystal
3. C
   Homogeneous solution
4. D
   Lyotropic liquid crystal

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1. A
   Sodium, Boron, Magnesium and Hydrogen
2. B
   Sodium, Boron, Oxygen and Hydrogen
3. C
   Potassium, Boron, Oxygen and Hydrogen
4. D
   Sodium, Boron, Nitrogen and Hydrogen

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1. A
   $Na_2O$
2. B
   MgO
3. C
   $Fe_2O_3$
4. D
   CuO

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1. A
   1 only
2. B
   2 only
3. C
   Both 1 and 2
4. D
   Neither 1 nor 2

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1. A
   1 only
2. B
   1 and 2 only
3. C
   2 and 3 only
4. D
   1, 2 and 3

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1. A
   1 only
2. B
   2 only
3. C
   Both 1 and 2
4. D
   Neither 1 nor 2

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