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The chemical name of laughing gas is:

The chemical name of laughing gas is:

  • (A) Nitric Oxide
  • (B) Nitrogen Dioxide
  • (C) Nitrogen Pent-oxide
  • (D) Nitrous Oxide
Nitrous oxide is a colorless gas with a mild sweet smell. People call it laughing gas because breathing it can make you feel happy and relaxed, sometimes even laugh out of control. Its safe and helps ease pain and fear. Doctors use it often in dentistry to calm patients during treatment.
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Related MCQs:

 ‘NATO’ is an abbreviation of:

March 18, 2026 No Comments
  • (A) North Atlantic Treaty Organization
  • (B) Non-Aligned Treaty Organization
  • (C) Non-Aligned Trading Organization
  • (D) North American Transport Organization

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