As the pollution of organic matter in water i | vedclass

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Question

(A) Biochemical Oxygen Demand $(BOD)$ refers to the amount of oxygen that would be consumed if all the organic matter in one liter of water were oxidi

Vedclass · Accepted Answer

The $BOD$ value increases.

Vedclass · Answer

(A) Biochemical Oxygen Demand $(BOD)$ refers to the amount of oxygen that would be consumed if all the organic matter in one liter of water were oxidized by bacteria.When the amount of organic matter in water increases,the number of microorganisms (bacteria) that decompose this organic matter also increases.These microorganisms consume more dissolved oxygen from the water to break down the organic waste.Therefore,a higher concentration of organic pollutants leads to a higher $BOD$ value,indicating greater water pollution.

As the pollution of organic matter in water increases,what happens to the $BOD$ value?

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