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Byju's Answer
Standard XII
Chemistry
BOD and COD
The value of ...
Question

The value of biological oxygen demand of highly polluted water is:

A
> 16 ppm
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B
< 5 ppm
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C
= 5 ppm
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D
= 16 ppm
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Solution

The correct option is A > 16 ppm
The amount of oxygen required by bacteria to break down the organic matter present in a certain volume of a sample of water is called Biochemical Oxygen Demand.

Clean water has less than 5 ppm BOD value, whereas, highly polluted water has BOD value of 17 ppm or more.

Thus, the correct answer is option A

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BOD and COD
Standard XII Chemistry
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