NextMockपरीक्षा शोधा, उदा. SSC CGL, UPPSC, Lekhpal
State PCS PYQPrelims 2023

UPPCS · प्रश्न 100

Which of the following is known as laughing gas?

  1. Chlorofluorocarbon
  2. Ammonia
  3. Nitrous oxide
  4. Carbon monoxide
उत्तर दाखवा आणि स्पष्टीकरण

उत्तर: (C) Nitrous oxide

स्पष्टीकरण

Nitrous oxide (N2O) is laughing gas.