Q26
If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is
A.
50 ppm
B.
100 ppm
C.
150 ppm
D.
200 ppm
AnswerAnswer: Option D
Solution
Answer: Option D
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