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A sample of pond water contains 40mg of ...

A sample of pond water contains 40mg of organic matter requires 32mg of dissolved oxygen. If pond water contains 100mg of organic matter per two litres, BOD value of the water sample is.

A

10 ppm

B

30 ppm

C

20 ppm

D

40 ppm

Text Solution

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The correct Answer is:
D
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