BOD is the amount of oxygen consumed by micro-organisms

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in 5 days in 1L water at 200C

in 5 hours in 100 mL water at 250C

in 5 minutes in 50 mL water at 00C

none of the above

answer is A.

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Detailed Solution

BOD is the amount of oxygen consumed by micro-organisms in 5 days in 1L water at 200C

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