Rain is called acid-rain when its pH is below

Question

Rain is called acid-rain when its pH is below (A) 7 (B) 6.5 (C) 6 (D) 5.6

Tardigrade Admin · Accepted Answer

Acid rain is rainfall and other forms of precipitation with a pH less than 5. pH of normal rain is 5.6 - 6.5. It is caused by the large scale emission of acidic gases into the atmosphere from thermal power plants, industries and automobiles.

Q. Rain is called acid-rain when its pH is below

7

6.5

6

5.6

Acid rain is rainfall and other forms of precipitation with a pH less than 5. pH of normal rain is 5.6 - 6.5. It is caused by the large scale emission of acidic gases into the atmosphere from thermal power plants, industries and automobiles.