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Class 9 Chemistry Chapter 5 MCQs Notes
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Class 9 Chemistry Chapter 5 MCQs With Answers
1: How many times liquids are denser than gases?
(a) 100 times
(b) 1000 times
(c) 10,000 times
(d) 100,000 times
2: Gases are the lightest form of matter and their densities are expressed in terms of:
(a) mg cm
(b) g cm3
(c) g dm
(d) kg dm
3: At freezing point which one of the following coexists in dynamic equilibrium:
(a) gas and solid
(b) liquid and gas
(c) liquid and solid
(d) all of these
4: Solid particles possess which one of the following motions?
(a) rotational motions
(b) vibrational motions
(c) translational motions
(d) both translational and vibrational motions
5: Which one of the following is not amorphous?
6: One atmospheric pressure is equal to how many Pascals:
7: In the evaporation process, liquid molecules which leave the surface of the liquid have:
(a) very low energy
(b) moderate energy
(c) very high energy
(d) none of these
8: Which one of the following gas diffuses fastest?
9: Which one of the following does not affect the boiling point?
(a) intermolecular forces
(b) external pressure
(c) nature of liquid
(d) the initial temperature of the liquid
10: The density of a gas increases, when it:
(a) temperature is increased
(b) pressure is increased
(c) volume is kept constant
(d) none of these
11: The vapor pressure of a liquid increases with the:
(a) increase of pressure
(b) increase of temperature
(c) increase of intermolecular forces
(d) increase of polarity of molecules
Chemistry Chapter 5 MCQs PDF Download
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