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Which of following statement is not true...

Which of following statement is not true?

A

`pH` of drinking water should be between 5.5 and 9.5

B

Concentration of `DO` below 6 ppm is good for the growth of fish.

C

Clean water would have a `BOD` value of less than 5 ppm.

D

Oxides of sulphur, nitrogen and carbon are the most widespread air pollutant.

Text Solution

Verified by Experts

The correct Answer is:
B
The ideal value of `DO` for growth of fishes is `8mg//I`. Below this value fishes get susceptible to disease.
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