# What is laughing gas called? ?

Apr 13, 2018

Nitrous oxide

#### Explanation:

${N}_{2} O$ nitrous oxide is colloquially known as laughing gas, on the basis that it induces euphoria if inhaled.

It has long been used in medicine, but is now generally used not for general anaesthesia purposes but for pain relief (mixed with oxygen or air).

Apr 13, 2018

Nitrous oxide, $\text{N"_2"O}$.