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Discussion :: Chemistry

  1. Removal of carbon particles from air involves the principle of

    2. A.

     Precipitation
    B.

     Filteration
    C.

     Electrophoresis
    D.

     Sedimentation

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    Answer : Option C

    Explanation :

    Carbon particles in air are colloidal in nature and carry negative charge. The removal of carbon particles from air involves the principle of electrophoresis. Carbon particles get precipitated by losing their charge and, thus, the air which finally comes out is free from them.

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