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Questions  

If the temperature of a gas is increased ,while keeping pressure constant, then the number of gas molecules per unit volume

a
remains changed
b
increases
c
decreases
d
nothing can be said definitely

detailed solution

Correct option is C

pressure=constantwe know thatPV=μRT p=μRTV P=xRTWhere X is the number of gas molecules per unit Volume.Now,T∝1XIf the temperature of a gas is increased, then the number of gas molecules per unit volume decreases

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