Which of the following is also known as laughing gas?
Answer
Correct Answer : b ) Nitrous oxide
Explanation :Nitrous oxide is commonly known as laughing gas. It is a chemical compound that is an oxide of nitrogen with the formula N2O.
At room temperature, it is a colorless non-flammable gas and has a slightly sweet scent and taste.
Nitrous oxide has important medical uses, particularly in surgery and dentistry, for its anesthetic and pain-reducing effects.
Its colloquial name, "laughing gas", was coined by Humphrey Davy.
Hence, (b) is the correct answer.
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