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    Question

    The washing machine works on the principle of

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    A Dialysis Correct Answer Incorrect Answer
    B Diffusion Correct Answer Incorrect Answer
    C Reverse osmosis Correct Answer Incorrect Answer
    D Centrifugation Correct Answer Incorrect Answer

    Solution

    Washing machines work on the principle of centrifugation. They are based on medium sized centrifuges that put an object in rotation around a fixed axis, applying force perpendicular to the axis.

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