Multiple choice

Which of the following compounds are responsible for acid rain?

  1. Sulphur dioxide and nitrogen dioxide

  2. Carbon monoxide and hydrogen sulphide

  3. Carbon dioxide and silver nitrite

  4. CFCs and carbon monoxide
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A Correct answer
Explanation

The oxides of sulphur and nitrogen present as pollutants in air react with water present in the atmosphere to form acids, which results in acid rain.

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