Menu
Home / Civil Engineering / Waste Water Engineering :: Discussion

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

    View Answer

    Workspace

    View Answer

    Answer : Option A

    Explanation :

    Explanation Not Provided

Write your comments here:

Be The First To Comment