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Discussion :: Waste Water Engineering

  1. If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains
    2. A.

    Hydrogen sulphide
    B.
    Carbon dioxide
    C.

    Methane
    D.

    Oxygen
    E.

    None of these.

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    Workspace

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    Answer : Option A

    Explanation :

    No answer description available for this question.

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