Multiple choice

Which of the following is known as a laughing gas ?

  1. Nitrous oxide

  2. Sevoflurane

  3. Xenon

  4. Amobarbital

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Nitrous oxide, commonly known as laughing gas or sweet air is a chemical compound with the formula N2O. It is a colourless non-flammable gas, with a slightly sweet odour and taste. It is used in surgery and dentistry for its anesthetic and analgesic effects.