Question

give two uses of each of the following 1) liquid oxygen 2) argon 3) nitrogen

Answer 1

1) In commerce, liquid oxygen is classified as an industrial gas and is widely used for industrial and medical purposes. Liquid oxygen is obtained from the oxygen found naturally in air by fractional distillation in a cryogenic air separation plant.

2) it used in bulbs and signboards

3) it utilised by plants for nitrogen fixation
And to make fertilizer

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