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The introduction of the Kelvin scale in thermometry is according to

A. Boyles law
B. Charles law
C. Daltons law
D. Grahams law

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Correct Answer: B. Charles law
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0.5 mole of nitrogen gas and 0.5 mole of carbon monoxide gas at STP have same

A. Mass
B. Atoms
C. Both B and C
D. None of these

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Correct Answer: C. Both B and C
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At constant temperature the pressure of an ideal gas is doubled its density becomes

A. Half
B. Double
C. Same
D. None

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Correct Answer: B. Double
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The diffusion of gases at absolute zero will be

A. Unchanged
B. Slightly decreased
C. Slightly increased
D. Zero

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Correct Answer: D. Zero
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Which of the following option is incorrect about gases?

A. All molecules move with the same speed
B. All molecules behave independently
C. PV / RT = n
D. All gases cannot be liquefied through Linds Method

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Correct Answer: A. All molecules move with the same speed
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The critical temperature for different gases is different and depends upon

A. Size of molecule
B. Shape of molecule
C. Intermolecular attractions
D. All of the above

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Correct Answer: D. All of the above
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