Q. The term 'brown air' is used for

  • (A) Acid fumes
  • (B) Industrial smog
  • (C) Photochemical smog
  • (D) Sulphurous smog
✅ Correct Answer: (C) Photochemical smog

Published by Ram Sharma ⭐ 193.88K Points at 10-Mar-2022 03:51 pm in Physics

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