COD of a water sample is 8ppm the weight of acidified K2Cr207 required to oxidise the organie
matter present in one litre of water sample is
4) 98 mg
2) 49 mg
3) 196 mg
1) 98 g
matter present in one litre of water sample is
4) 98 mg
2) 49 mg
3) 196 mg
1) 98 g
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I think option no. 3
I hope it is correct answer follow me Mark as brainlist answer
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