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Discussion :: Waste Water Engineering

  1. To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by pottassium dichromate in the presence of

  2. A.

    Hydrochloric acid

    B.

    Sulphuric acid

    C.

    Nitric acid

    D.

    Citric acid.

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    Answer : Option B

    Explanation :

    No answer description available for this question.


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