Question:

Thermal power plants can lead to :

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Burning coal releases oxides of sulphur and nitrogen.
Updated On: Nov 5, 2026
  • Ozone layer depletion
  • Blue baby syndrome
  • Eutrophication
  • Acid rain
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The Correct Option is D

Solution and Explanation

Thermal power plants burn coal, which contains sulphur and nitrogen. Combustion gives SO2 and NOx, which are oxidised and dissolve in rain water to form H2SO4 and HNO3, causing acid rain.
Ozone depletion is due to CFCs, blue baby syndrome to nitrate in drinking water, and eutrophication to phosphate/nitrate enrichment of water bodies.
Answer: (4) Acid rain
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