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Discussion :: Waste Water Engineering

  1. The presence of free ammonia in sewage, is detected by

    2. A.

     Boiling
    B.

     Adding potassium permanganate
    C.

     Adding sulphuric acid
    D.

     Phenol-di-sulphuric acid

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    Workspace

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    Answer : Option A

    Explanation :

    Explanation Not Provided

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