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BOD values of four sample of water A, B,...

BOD values of four sample of water A, B, C and D is given below :
A. 160 ppm
B. 35 ppm 4 C. 180 ppm
D. 25 ppm
The decreasing order of extent of pollution in water is

A

`C gt A gt D gt B`

B

`D gt B gt A gt C`

C

`C gt A gt B gt C`

D

`D gt A gt B gt C`

Text Solution

Verified by Experts

The correct Answer is:
C
Less polluted water has lower BOD value.
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