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Rain is called acid rain, when its pH is...

Rain is called acid rain, when its pH is below

A

7

B

6.5

C

6

D

5.6

Text Solution

Verified by Experts

The correct Answer is:
D
Normal rainfall has a pH of 5.6-6.5 while acid rain has a pH of less than 5.6. Sulphuric acid and nitric acid are the two main acids, which dissolve in the water in the atmomphere and fall to the ground as acid rain. On an average, `60-70%`
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Acid rain is

Given below are two statements : Statement I : The pH of rain water is normally 5.6. Statement II : If the pH of rain water drops below 5.6, it is called acid rain. In the light of the above statements, choose the correct answer from the options given below:

The pH of acid rain is

Criteria for rain water to be called acid rain is for pH:

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