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Discussion :: UPSC Civil Service Exam Questions

  1. What is the BOD5 at 20°C of a waste that yields an oxygen consumption of 2 mg/l from a 0.5% diluted sample ?

  2. A.
    50 mg/l
    B.
    400 mg/l
    C.
    200 mgl
    D.
    250 mgl

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    Answer : Option B

    Explanation :

    No answer description available for this question. Let us discuss.


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