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Discussion :: Waste Water Engineering

  1. If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains

    2. A.

     Hydrogen sulphide
    B.

     Carbon dioxide
    C.

     Methane
    D.

     Oxygen

    View Answer

    Workspace

    View Answer

    Answer : Option C

    Explanation :

    Explanation Not Provided

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