Ncert Exercises & Solutions

Given below are two statements:

Assertion (A):	The pH of acid rain is less than 5.6.
Reason (R):	Carbon dioxide present in the atmosphere dissolves in rainwater and forms carbonic acid.

1.	Both (A) and (R) are true and (R) is the correct explanation of (A).
2.	Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.	(A) is true but (R) is false.
4.	(A) is false but (R) is true.