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  9. Q16

UPPSC PCS 2018 · Question 16 of 142

A powerful eye irritant in the smoke is:

Environment

  1. AOzone
  2. BSulphur dioxide
  3. CCarbon dioxide
  4. DPeroxyacetyl nitrateCorrect

Answer: D. Peroxyacetyl nitrate

Explanation

Peroxyacetyl nitrate (PAN), a secondary photochemical pollutant in smog, is a strong eye irritant.

Source: https://www.onlyiasexam.com/2021/10/2018-uppsc-pre-solved-question-papers.html

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