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Discussion :: Chemical Process

  1. The most commonly used substance to speed up the sedimentation of sewage is

    2. A.

     Lime
    B.

     Sulphuric acid
    C.

     Chlorine
    D.

     Sodium bisulphite

    View Answer

    Workspace

    View Answer

    Answer : Option A

    Explanation :

    Explanation Not Provided

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