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SSC CHSL 2020 PYQ — Question 30

SSC CHSL - 14th October 2020 - Shift 3 • General Awareness • Q30

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Which of the following gases is referred to as ‘laughing gas’?

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Correct answer: C

Explanation

The correct answer is option 3 i.e Nitrous Oxide.

  • Nitrous oxide, commonly known as laughing gas or nitrous, is a chemical compound, an oxide of nitrogen with the formula N2O.
  • At room temperature, it is a colourless non-flammable gas, with a slight metallic scent and taste.
  • At elevated temperatures, nitrous oxide is a powerful oxidiser similar to molecular oxygen.