A ) Drizzling
B ) Pollution
C ) Smog
D ) Acid Rain ✅
Explanation:
Q: Sulphur Dioxide (SO₂) and Oxides of Nitrogen (NOₓ) cause what?
✅ Correct Answer:
➡️ Acid Rain
Sulphur dioxide and oxides of nitrogen cause acid rain.
📘 Explanation for Exams:
- Sulphur dioxide (SO₂) and oxides of nitrogen (NO and NO₂) are released by:
- ✅ Burning of fossil fuels
- ✅ Industrial emissions and vehicle exhausts
- These gases react with water vapor in the atmosphere to form:
- ✅ Sulfuric acid (H₂SO₄)
- ✅ Nitric acid (HNO₃)
- ✅ These acids fall to the ground as acid rain.
🌧️ Acid Rain Effects:
- ✅ Damages plants, soil, and aquatic life
- ✅ Corrodes buildings, especially marble (e.g., Taj Mahal)
- ✅ Affects human health (respiratory problems).