Social Sciences, asked by Ashishkumar2893, 1 year ago

Rain is called acid rain, when its pH value is
(1) 7.0
(2) 8.3
(3) 7.9
(4) Less than 5.6

Answers

Answered by shantanurauthan
0

Normally the rainfall we observe is slightly acidic too(not harmful) having ph between 5.0 and 5.6 but when it combines with sulphur dioxide or nitrogen oxides,it becomes much more acidic(harmful) dropping its ph upto 4.

So,the answer to your question will be option (4)Less than 5.6

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