Home Chemistry Enviromental Chemistry ( Not In Syllabus ) JEE Main 2021 BOD values (in ppm) for clean water
Chemistry Enviromental Chemistry ( Not In Syllabus ) JEE Main 2021 Single Correct MCQ
Published on: August 12, 2026

BOD values (in ppm) for clean water

A
and polluted water A > 50, B < 27
B
are expected respectively : A > 25, B < 17
C
A < 5, B > 17
D
A > 15, B > 47

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Text Solution

Verified by Experts
The correct answer is:
C

BOD values of clean water is less than 5 ppm

So A < 5

BOD values of polluted water is greater than 17

ppm

So B > 17

So Ans. is 3.

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