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Effects of Air Pollutants

Acid rain is ...

Question

Acid rain is formed when the pH of rainwater is:

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Solution

Correct option is 'C'.

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Acid rain is formed, when pH of rainwater is____.

Q. Acid rain is formed when the pH of rainwater is:

(A) More than 7
(B) Equal to 7
(C) Less than 6
(D) Equal to 10

Q. when pH of rainwater is 5.6 it is acid rain . So it the pH is 5.56 is it acid rain?

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

Q. Arun tested rainwater and found a pH of 5-6 due to presence of hydrogen ions formed by reaction of rainwater with carbon dioxide. When pH of the rainwater drops below 5.6, then it is called acid rain. It affects agriculture and growth of plants because the pH range of soil changed.

(i) Why is acid rain harmful to agriculture, trees and plants?

(ii) What are the chemicals that can be used to mantain the pH of soil in this case?
[2 Marks]

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