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Science and Technology - General Knowledge Questions
Which gas is also known as laughing gas
A)
Nitrous oxide
B)
Nitrogen
C)
Chlorine
D)
Methane

Correct Answer :   Nitrous oxide

Nitrous oxide is a safe and effective sedative agent that is mixed with oxygen and inhaled through a small mask that fits over your nose to help you relax. Nitrous oxide, sometimes called “laughing gas,” is one option your dentist may offer to help make you more comfortable during certain procedures.

Published On : June 7, 2021
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