How is the value of COD compared to BOD?(a) Much higher(b) Zero(c) Much lower(d) LowI got this question during an interview.This intriguing question originated from Environmental Issues in division Environmental Issues of Biology – Class 12

How is the value of COD compared to BOD?(a) Much higher(b) Zero(c) Muc

1.	How is the value of COD compared to BOD?(a) Much higher(b) Zero(c) Much lower(d) LowI got this question during an interview.This intriguing question originated from Environmental Issues in division Environmental Issues of Biology – Class 12
Answer» CORRECT answer is (a) Much higher To elaborate: Chemical Oxygen Demand is designated by COD. It is the measure of the AMOUNT of oxygen necessary to oxidize all the pollutants present in water. The value of the biological oxygen demand is less than the chemical oxygen demand.

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