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COD of a water sample is 8 ppm, Calculat...

COD of a water sample is 8 ppm, Calculate the weight of acidified `K_2Cr_2O_7`required to oxidise the matter present in one litre of water sample.

A

30 mg

B

42 mg

C

49 mg

D

52 mg

Text Solution

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The correct Answer is:
C
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