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47. The pressure P, volume V and temperature T of a gas in the jar A and the other gas in the jar B at pressure 2P, volume V/4 and temperature 2T, then the ratio of the number of molecules in the jar A and B will be

(a)    1 : 1                                (b) 1 : 2

(c) 2 : 1                                   (d) 4 : 1

Answer-d

(2)

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