Preparation of Nitrogen

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Laboratory Preparation of Nitrogen
Thermal Decomposition of Ammonium dioxonitrate(III), NH₄ NO₂
Oxidizing Ammonia using Copper(II) Oxide
Industrial Preparation of Nitrogen

Laboratory Preparation of Nitrogen:

Nitrogen can be prepared from air by removing the other constituents of the air. Carbon (IV) oxide is removed by passing the air through caustic soda. Oxygen is removed by heating the air over copper turnings. Nitrogen is then collected over water.

It should be noted that nitrogen prepared by this method is denser than pure nitrogen because it contains about 1% by volume of rare gases as impurities. Nitrogen gas can also be prepared in the laboratory from the following methods.

Thermal

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SS2: CHEMISTRY - 3RD TERM

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