BOD value of water is 20 ppm. Then what can | vedclass

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(D) The $BOD$ (Biochemical Oxygen Demand) is a measure of the amount of dissolved oxygen required by bacteria to decompose organic matter present in a

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Highly polluted water

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(D) The $BOD$ (Biochemical Oxygen Demand) is a measure of the amount of dissolved oxygen required by bacteria to decompose organic matter present in a water sample.- Clean water has a $BOD$ value of less than $5 \ ppm$.- Moderately polluted water has a $BOD$ value between $5 \ ppm$ and $10 \ ppm$.- Highly polluted water has a $BOD$ value of $17 \ ppm$ or more.Since the given $BOD$ value is $20 \ ppm$,which is greater than $17 \ ppm$,the water is considered highly polluted.

$BOD$ value of water is $20 \ ppm$. Then what can you conclude regarding water?

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