100ml of sample of water requires 3.92mg of K2Cr2O7 in presence of H2S – InterviewSolution

1.	100ml of sample of water requires 3.92mg of K2Cr2O7 in presence of H2SO4 for the oxidation of disolveed organic matter present in it . the COD of the water sample in pppm?
Answer» 100ml of sample of water requires 3.92mg of K2Cr2O7 in presence of H2SO4 for the oxidation of disolveed organic matter present in it . the COD of the water sample in pppm?

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