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What is ‘laughing gas’? 
Question

What is ‘laughing gas’? 

A.

Nitrous oxide 

B.

Nitric oxide

C.

Sulphur dioxide

D.

Hydrogen peroxide

Correct option is A

  • The correct answer is (A) Nitrous oxide.
  • Nitrous oxide (N₂O) is commonly known as laughing gas due to its euphoric effects when inhaled.
  • It is a colorless, non-flammable gas with a slightly sweet odor and taste.
  • It is widely used in medicine and dentistry as an anesthetic and analgesic.

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