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    Question

    Water activity, a thermodynamic property, is defined as

    the ratio of ……… in a system and the …………at the same temperature .     
    A Vapor pressure of water, Vapor pressure of pure water Correct Answer Incorrect Answer
    B Actual pressure of water, Actual pressure of pure water Correct Answer Incorrect Answer
    C Both are correct Correct Answer Incorrect Answer
    D None of the above correct Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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