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    Question

    When a bottle of scent is kept open in a corner of a

    room its odour is felt in all parts of the room. This is clue to the phenomenon of –
    A evaporation Correct Answer Incorrect Answer
    B vaporisation Correct Answer Incorrect Answer
    C diffusion Correct Answer Incorrect Answer
    D sublimation Correct Answer Incorrect Answer

    Solution

    Diffusion is one of several transport phenomena that occur in nature. A distinguishing feature of diffusion is that it results in mixing or mass transport without requiring bulk motion. Thus, diffusion should not be confused with convection or advection, which are other transport mechanisms that use bulk motion to move particles from One place to another.

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