1.

At constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with increase in temperature due to   [IIT 1992]

A.                 Increase in the average molecular speed
B.                 Increased rate of collision amongst molecules
C.                 Increase in molecular attraction
D.                 Decrease in mean free path
Answer» B.                 Increased rate of collision amongst molecules


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