Which one of the following statements is not | vedclass

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(D) In environmental chemistry,Chemical Oxygen Demand $(COD)$ is the total amount of oxygen (in $ppm$) required to chemically oxidize all organic and

Vedclass · Accepted Answer

$COD$ is the measure of bacteria in water

Vedclass · Answer

(D) In environmental chemistry,Chemical Oxygen Demand $(COD)$ is the total amount of oxygen (in $ppm$) required to chemically oxidize all organic and inorganic pollutants in a given water sample. It is not a measure of bacteria.Thus,option $(D)$ is incorrect.- $NO_2$ is known to be a lung irritant.- Municipal sewage typically has a $BOD$ (Biological Oxygen Demand) value ranging from $100-4000 \ ppm$.- The primary source of $CO$ (carbon monoxide) in the atmosphere is automobile exhaust fumes.

Which one of the following statements is not correct?

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