Discuss : Ill effects of acid rain

Explanation

Acid rain refers to rainfall and other types of precipitation with a pH of less than 5. It is in fact a mixture of sulphuric acid and nitric acid.
Effect. (i) It damages foliage and growing points producing chlorosis, necrosis, defolisation and die back. It causes leaching of essential minerals of soil.
(ii) Acid rain carrodes metals, marble, painted surfaces, stone etc. called as stone leprosy.
(iii) Acid rain with pH below 5 kills fish, molluses, planktons.
(iv) Acidity dissolves toxic metals like Hg, Pb, Zn, Al, etc. This kills all type of aquatic life except some algae and fungi.