State PCS PYQPrelims 2018

UPPCS · प्रश्न 137

A powerful eye irritant in the smoke is

  1. Ozone
  2. Sulphur dioxide
  3. Carbon dioxide
  4. Peroxyacetyl nitrate
उत्तर दाखवा आणि स्पष्टीकरण

उत्तर: (D) Peroxyacetyl nitrate

स्पष्टीकरण

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