How will you account for the fact that gases occupy the whole of

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 Multiple Choice QuestionsShort Answer Type

21.

What would have been the effect on gas pressure, if the collision between gas molecules were not classic?

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22.

How partial pressure of a gas is related to the total pressure in a mixture of gases?

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23.

How will you account for the fact that gases occupy the whole of the volume available to them?


Due to the absence of attractive forces between molecules, the molecules of gases can easily separate from one another.

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24. 500 cm3 of a gas at 700 mm pressure is compressed to 100cm3 at the same temperature. Calculate the pressure required to do so.
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25.

The tyre of an automobile is inflated to a slightly lesser pressure in summer than in winter. Why?

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26.

The size of the weather ballon becomes larger and larger as it ascends to higher altitudes. Explain.

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27.

Why a gas can be easily compressed?

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28.

What change is expected if the temperature is kept constant but pressure is reduced to one fourth of its original value?

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29.

How do you find the pressure of dry gas collected over water?

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30.

How are kinetic energy and absolute temperature related?

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