If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion

Question

If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is

Options:

A . 200 ppm

B . 225 ppm

C . 250 ppm

D . None of these

Answer: Option C

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More Questions on This Topic :

Question 1. If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at....for 5 days at 20°C, B.O.D. of the sewage is

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