1. Carbon dioxide
  2. Carbon monoxide
  3. Sulphur dioxide
  4. Oxygen
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2 Answers

Option 3 : Sulphur dioxide

Acid rain is caused because of a chemical reaction that occurs when compounds like nitrogen oxide and sulphur dioxide are released in the air. These substances rise up high in the atmosphere and get mixed with oxygen,water and other chemicals and react with them to form acidic pollutants and cause acid rain.

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Option 3 : Nitrogen oxides

  • Acid rain is caused because of a chemical reaction that occurs when compounds like nitrogen oxide and sulphur dioxide are released into the air.
  • These substances rise up high in the atmosphere and get mixed with oxygen, water and other chemicals and react with them to form acidic pollutants and cause acid rain.
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