P and Q are ideal gases which do not rea...

P and Q are ideal gases which do not react with each other. The mass of one mole of P is four times that of Q. At STP, which of the following are true?

A

The. average K.E of molecules of P is equal to that of Q

B

The mass of `1 dm^3` of P is four times that of `1 dm^3` of Q

C

On mixing 1`dm^3` of P with `1 dm^3` of Q the partial pressure of each gas in the mixture will be 0.5 atm

D

The rate of diffusion of P is 4 times less than that of Q

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The correct Answer is:

A, B, C

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