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In final step of the domestic water process, the effluent contain ___________ BOD.

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In final step of the domestic water process, the effluent contain ___________ BOD.

(a) 10ppm

(b) 15ppm

(c) 20ppm

(d) 25ppm

I had been asked this question during an online interview.

Asked question is from Methods of Reducing Water Pollution topic in chapter Water of Applied Chemistry

1 Answer

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Best answer
Correct answer is (d) 25ppm

The best explanation: The effluent obtained in the final step of the domestic water process contains ammonia ion and having the 25ppm.

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