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UPPSC PCS 2023 Q59: Which of the following is known as laughing gas? | PYQPulse | PYQPulse

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UPPSC PCS 2023 · Question 59 of 150

Which of the following is known as laughing gas?

General Knowledge

ACarbon Monoxide
BNitrous oxideCorrect
CChlorofluro Carbon
DAmmonia

Answer: B. Nitrous oxide

Explanation

Nitrous oxide is an oxide of nitrogen with a chemical formula N2O. This organic compound is colourless and non-flammable at room temperature.

Source: edurev.in solved-paper compilation (OSWAAL 15-Years UPPSC Prelims Solved Paper)

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