The BOD values for pure water and highly poll | vedclass

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Question

(C) $BOD$ (Biological Oxygen Demand) is the amount of dissolved oxygen required by aerobic microorganisms to decompose the organic matter present in a

Vedclass · Accepted Answer

$< 5 \ ppm, \ \geq 17 \ ppm$

Vedclass · Answer

(C) $BOD$ (Biological Oxygen Demand) is the amount of dissolved oxygen required by aerobic microorganisms to decompose the organic matter present in a given volume of water at a specific temperature.Clean water has a $BOD$ value of less than $5 \ ppm$.Highly polluted water has a $BOD$ value of $17 \ ppm$ or more.Therefore,the correct values are $< 5 \ ppm$ and $\geq 17 \ ppm$.

The $BOD$ values for pure water and highly polluted water are respectively

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