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nitric oxide
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nitric oxide

chemical compound
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Also known as: NO, nitrogen monoxide, nitrous air
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Also called:
nitrogen monoxide

nitric oxide (NO), colourless toxic gas that is formed by the oxidation of nitrogen. Nitric oxide performs important chemical signaling functions in humans and other animals and has various applications in medicine. It has few industrial applications. It is a serious air pollutant generated by automotive engines and thermal power plants. Nitric oxide is formed from nitrogen and oxygen by the action of electric sparks or high temperatures or, more conveniently, by the action of dilute nitric acid upon copper or mercury. It was first prepared about 1620 by the Belgian scientist Jan Baptista van Helmont, and it was first ...(100 of 898 words)

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