State PCS PYQPrelims 2018

UPPCS · પ્રશ્ન 137

A powerful eye irritant in the smoke is

  1. Ozone
  2. Sulphur dioxide
  3. Carbon dioxide
  4. Peroxyacetyl nitrate
જવાબ બતાવો અને સમજૂતી

જવાબ: (D) Peroxyacetyl nitrate

સમજૂતી

Peroxyacetyl nitrate (PAN), a component of photochemical smog, is a strong eye irritant (lachrymator).