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    Question

    When a bottle of perfume is opened in one corner of a

    room the smell spreads soon throughout the room. This is an example of -
    A surface tension Correct Answer Incorrect Answer
    B capillarit Correct Answer Incorrect Answer
    C viscosity Correct Answer Incorrect Answer
    D diffusion Correct Answer Incorrect Answer

    Solution

    Diffusion is the spreading – mixing of gases through molecular motion.

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