WBCS.LIVE practice question

Which gas is known as 'Laughing Gas'?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Nitric Oxide
  2. Nitrogen Dioxide
  3. Carbon Monoxide
  4. Nitrous Oxide

Correct answer and explanation

Correct answer: Nitrous Oxide

Explanation: āœ… Correct Answer: (D) Nitrous Oxide šŸ“š Explanation: Nitrous Oxide (N2O) is commonly known as laughing gas because of the euphoric effects it produces when inhaled. It is a colorless, non-flammable gas with a slightly sweet scent. It is used in dentistry and surgery for its anesthetic and analgesic properties. Nitrogen Dioxide (NO2) is a reddish-brown toxic gas and a major air pollutant.