write any tree uses of nitrogen,oxygen,carbon dixoide.
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1 Used for cooling. 2 Used as inert gas in chemical process. 1 Used in manufacturing of steel. 2 Mainly used for breathing.
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Explanation:
nitrogen
Nitrogen is important to the chemical industry. It is used to make fertilisers, nitric acid, nylon, dyes and explosives.
To make these products, nitrogen must first be reacted with hydrogen to produce ammonia.
Preservation of Food.
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