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COD values are always _________ BOD.(a) Less than(b) Higher than(c) Equal(d) Nearly equalI had been asked this question by my school principal while I was bunking the class.My question is based upon Reverse Osmosis, Ultrafilteration, COD and BOD in chapter Water of Applied Chemistry |
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Answer» RIGHT choice is (b) HIGHER than Explanation: COD values are ALWAYS greater than that of the BOD values because the organic and the biologically oxidisable materials are oxidised in COD. |
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