Maharashtra State PSC Model Paper 5

The correct answer is Sulphur Dioxide.

• The substance that causes the maximum air pollution is Sulphur dioxide.
  • Sulfur dioxide or sulphur dioxide is the chemical compound with the formula SO₂.
  • It is a toxic gas responsible for the smell of burnt matches.
  • Pungent smelling colourless gas produced from mostly volcanic activities, industrial processes, and production of sulphuric acid.
  • Sulfur dioxide causes a range of harmful effects on the lungs.