NextMockપરીક્ષાઓ શોધો, દા.ત. SSC CGL, UPPSC, Lekhpal
State PCS PYQPrelims 2023

UPPCS · પ્રશ્ન 100

Which of the following is known as laughing gas?

  1. Chlorofluorocarbon
  2. Ammonia
  3. Nitrous oxide
  4. Carbon monoxide
જવાબ બતાવો અને સમજૂતી

જવાબ: (C) Nitrous oxide

સમજૂતી

Nitrous oxide (N2O) is laughing gas.