Which of the following processes is used for the preparation of oxygen?

Electrolysis of water

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Biodecomposition

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Fractional distillation of liquified air

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Combustion

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Solution

The correct options are
A
Electrolysis of water

C
Fractional distillation of liquified air

There are various methods for the preparation of oxygen. Electrolysis of water produces oxygen. Oxygen is industrially produced by the fractional distillation of liquified air.

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Similar questions

Which of the following apparatus is used in the assembly for fractional distillation process?

Which of the following cannot be separated from air by the process of fractional distillation ?

(a) oxygen (b) argon (c) hydrogen (d) nitrogen

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