Which of the following gases is commonly known as laughing gas?

Options :
  1. Carbon dioxide
  2. Sulphur dioxide
  3. Nitrous oxide
  4. Carbon monoxide
Answer and Explanation :-

Answer: Option 3

Explanation:

Laughing gas is nitrous oxide, N2O (more properly called Dinitrogen monoxide). It is a colourless gas with a sweet odour and taste. Inhalation leads to disorientation, euphoria, numbness, loss of motor coordination, dizziness, and ultimately a loss of consciousness. The gas is used as an anaesthetic, as a propellant in whipped cream cans, and as an oxidizing agent in racing cars.

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There is enough said. Trouble no quiet, kind heart leave sunny imaginations hope. Let it be theirs to conceive the delight of joy born again fresh out of great terror, the rapture of rescue from peril, the wondrous reprieve from dread, the fruition of return. Let them picture union and a happy succeeding life.
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