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Discussion :: Waste Water Engineering

  1. For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of

    2. A.

     H₂SO₄
    B.

     HNO₃
    C.

     HCl
    D.

     None of these

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    Workspace

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    Answer : Option A

    Explanation :

    Explanation Not Provided

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