The chemical formula of the laughing gas is
A
NO
B
N<sub>2</sub>O
C
NO<sub>2</sub>
D
N<sub>2</sub>O<sub>3</sub>
Correct Answer: N<sub>2</sub>O
Nitrous oxide(N2o) is a colourless, sweet-tasting gas. It is also known as "laughing gas".