The gas, commonly known as “laughing gas”is ______?

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The gas, commonly known as “laughing gas”is ______? Answer: Nitrous Oxide

Nitrous oxide (N₂O), commonly called laughing gas, is a colorless gas with a slightly sweet odor and taste. It has anesthetic and analgesic effects and is used in dentistry and surgery. It can also induce laughter when inhaled, hence the name.

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This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.