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Electrolysis of Water

The substance...

Question

The substance obtained at the anode during the electrolysis of water is:

A

Hydrogen

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B

Water vapour

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C

Dilute sulphuric acid

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D

Oxygen

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Solution

The correct option is D Oxygen
During electrolysis, water splits to form hydrogen and oxygen. Hydrogen gas is liberated at the cathode, while oxygen gas is liberated at the anode.

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