Q. Sum of mole fraction of all gases is equal to

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Q. In Graham's law description 40.5 cm is distance travelled by

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Q. After collision molecules of gases are

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Q. Mole fraction of each gas is always less than

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Q. Unit used by meteorologists is

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Q. Process of diffusion of gases is

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Q. Low temperature reduces the

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Q. Effusion occurs in region of

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Q. In deducing Boyles law from kinetic equation of gases constant is

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Q. Temperature which cannot be attained is

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Q. Gases can be compressed because of

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Q. Gases are usually composed of many small particles which are named as

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Q. Reign of Thomas Graham is from

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Q. Volume of gas is very large in comparison to

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Q. Fluorescent lights and lightning discharges are composed of

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Q. Color of NO₂ gas is

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Q. In van der Waal equation n/V represents moles of a gas per

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Q. Most of matter on earth is in

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Q. Plasma is present in about visible universe about

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Q. Gases have low value of

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