Which one of the following statement is not true ?

Question

Which one of the following statement is not true ? (A) Oxide of sulphur, nitrogen and carbon are the most widespread air pollutant (B) pH of drinking water should be between 5.5 - 9.5 (C) Concentration of DO below 6 ppm is good for the growth of fish (D) Clean water would have a BOD value of less than 5ppm

Tardigrade Admin · Accepted Answer

Growth of fish is inhibited if concentration of DO is below 6 ppm.

Q. Which one of the following statement is not true ?

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

pH of drinking water should be between 5.5 - 9.5

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

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

Growth of fish is inhibited if concentration of DO is below $6 pp m$ .

Q. Which one of the following statement is not true ?

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

pH of drinking water should be between 5.5 - 9.5

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

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

Growth of fish is inhibited if concentration of DO is below 6ppm.

Growth of fish is inhibited if concentration of DO is below $6 pp m$ .