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BOD of wastewater is estimated by measur...

`BOD` of wastewater is estimated by measuring the amount of

A

total organic matter

B

biodegradable organic matter

C

oxygen evolution

D

oxygen consumption

Text Solution

Verified by Experts

The correct Answer is:
D
Degree of impurity of water due to organic matter is measured in terms of `BOD`. It is the oxygen in milligrams required for five days in one litre of water at `20^(@)C` for the microorganisms to metabolise organic waste.
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