A. Joseph Priestley
B. Humphry Davy
C. Carl Wilhelm Scheele
D. None of these
Submitted by: Areesha Khan
Joseph Priestley discovered nitrous oxide (laughing gas) in 1772. Later, in 1799, Humphry Davy studied its properties and named it laughing gas because of the euphoric and laughter-inducing effects it causes when inhaled.
The correct answer to the question: "Who discovered laughing gas?" is "Joseph Priestley".
