emThis section contains 7 multiple choice questions. Each question has four choices, (a), (b), (...

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emThis section contains 7 multiple choice questions. Each question has four choices, (a), (b), (c) and (d) out of which only one is/are correct./em
brThe vapour pressure of two pure liquids Pand Q,that form an ideal solution are 100 torr and 400 torr respectively at a temperature T. This liquid solution of P and Q is composed of 1 mole of P and 1 mole of Q. What will be the pressure, when 1 mole of mixture has been vapourised?

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