Multiple choice

Which of the following gases are formed during burning of fossil fuels and cause acid rain?

  1. Hydrogen cyanide and chloroflurocarbons

  2. Carbon dioxide and methane

  3. Hydrogen cyanide and methane

  4. Sulphur dioxide and nitrogen oxide

  5. Hydrogen sulphide and carbon dioxide
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Acid rain is caused by emissions of sulphur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids.

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