Acid rain is due to:

Correct answer: D. All of these

  • A. Formation of oxides of sulphur
  • B. Formation of oxides of nitrogen
  • C. Formation of H2SO4 and HNO3
  • D. All of these

Explanation

Acid rain is primarily caused by the emission of sulfur dioxide (SO2) and nitrogen oxides (NOx) into the atmosphere. These gases react with water, oxygen, and other chemicals to form sulfuric acid (H2SO4) and nitric acid (HNO3), which then fall to the earth as acid rain.

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