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38. The molecular weights of

O2 and N2 are 32 and 28 respectively. At 15°C, the pressure of 1 gm O2 will be the same as that of 1 gm N2 in the same bottle at the temperature

(a) – 21°C                             (b) 13°C

(c) 15°C                                (d) 56.4°C

Answer-a

(5)

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