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Subject - Chemistry:

Basics

MCQ - 599-2785

Question:

Which is used as Laughing gas is–

  1. Nitrous Oxide
  2. Nitrogen dioxide
  3. Nitrogen Trioxide
  4. Nitrogen dioxide

Correct Answer: A

Explanation:

Sol. Nitrous Oxide (N_2 O) is also known as laughing gas. It is a colourless gas with a sweet odour and taste. Inhalation leads to disorientation, euphoria, numbness, loss of coordination, dizziness and ultimately a loss of consciousness. It is also used as the anesthetic gas.

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