Question:

Laughing gas is:

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Laughing gas = \(\mathrm{N_2O}\).
Updated On: Mar 23, 2026
  • nitrogen pentoxide
  • nitrous oxide
  • nitrogen trioxide
  • nitric oxide
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The Correct Option is B

Solution and Explanation


Step 1:
Nitrous oxide (\(\mathrm{N_2O}\)) causes laughter when inhaled.
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