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:

Question

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:

Quantrex Academy · Accepted Answer

Correct answer: A. Both Statement I and Statement II are true.

Both statements are correct. Normally rain water has $pH$ of $5 . 6$ due to the presence of ${H}^{+}$ ions formed by the reaction of rain water with carbon dioxide present in the atmosphere.

Normal rain has a pH of about 5.6. This is because it reacts with carbon dioxide in the atmosphere and forms mildly acidic carbonic acid before it becomes rain.

Given below are two statements: Statement I: The pH of rain water...

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