nitrous oxide

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Nitrous oxide, often called laughing gas or simply nitrous, is a chemical compound, with the formula N2O. It is commonly used in dentistry and surgery for its anesthetic and pain-reducing effects. At room temperature, it is a colorless non-flammable gas, with a slight metallic scent and taste. At elevated temperatures, nitrous oxide is a powerful oxidizer similar to molecular oxygen. It is soluble in water.

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