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Questions  

According to kinetic theory of gases, for a given gas at a given temperature,

a
all particles move around with same speed
b
particles move with varying speeds but in same direction
c
heavier particles move slowly and lighter ones move faster
d
particles move with varying speeds in various directions

detailed solution

Correct option is D

Molecules can move with any velocity at any temperature. All molecules of a given gas are identical.

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