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      Question

      The washing machine works on the principle of

      -
      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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