Question

Assertion: The $pH$ of acid rain is less than $\mathrm{5.6.}$
Reason : Oxides of nitrogen and sulphur present in the atmosphere dissolves in rain water and form acid.

• A. Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
• B. Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.
• C. Both Assertion and Reason are not correct.
• D. Assertion is not correct but Reason is correct

Answer 1

Answer: (A)

Normally rain water has a pH of 5.6. Oxides of nitrogen and sulphur dissolve in water to form acid rain which has pH < 5.6.