What is the chemical formula for laughing gas used as a mild anaesthetic in dentistry?
A
NO
B
N2O
C
NO2
D
N2O4
Correct Answer: Option B — N2O
Explanation:
Nitrous oxide N2O commonly known as laughing gas is used as a mild anaesthetic and analgesic in dentistry and medicine and produces euphoric...
Nitrous oxide N2O commonly known as laughing gas is used as a mild anaesthetic and analgesic in dentistry and medicine and produces euphoric effects when inhaled.