Uttarakhand PMT Uttarakhand PMT Solved Paper-2007

  • question_answer
    Alcohol is more volatile than water, because

    A)  its boiling point is lower than water

    B)  it is an organic liquid

    C)  its freezing point is lower than water

    D)  its vapour pressure is 2.5 times greater than water

    Correct Answer: D

    Solution :

     Alcohol is more volatile than water because its vapour pressure is 2.5 times greater than water. A liquid vaporises when its vapour pressure becomes equal to atmospheric pressure.


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