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Question : BOD of waste water is estimated by measuring the amount of(A) Total organic matter(B) Biodegradable organic matter(C) Oxygen evolution(D) Oxygen consumption

Answer»

Total organic matter
Biodegradable organic matter
Oxygen evolution
Oxygen consumption

Solution :BOD of WASTE water is refers to the AMOUNT of oxygen that would be consumed if all the organic matter in ONE liter of water were oxidised by bacteria. The BOD test measures the rate of uptake of oxygen by micro-organisms in a SAMPLE of water.


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