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प्रश्न
Assertion (A): The pH of acid rain is less than 5.6.
Reason (R): Carbon dioxide present in the atmosphere dissolves in rain water and forms carbonic acid.
विकल्प
Both A and R are correct and R is the correct explanation of A.
Both A and R are correct but R is not the correct explanation of A.
Both A and R are not correct.
A is not correct but R is correct.
उत्तर
Both A and R are correct but R is not the correct explanation of A.
Explanation:
In acid rain, pH is less than 5.6. Carbon dioxide dissolves in water to form weak acid.
\[\ce{H2 + CO2 -> H2CO3}\]
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