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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

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    Workspace

    Answer : Option A

    Explanation :

    Explanation Not Provided


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