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Oxygen and hydrogen gas are produced at ...

Oxygen and hydrogen gas are produced at the anode and cathode during the electrolysis of fairly concentrated aqueous solution of :

A

Dilute `H_2SO_4` with Pt electrodes

B

Fused NaOH with inert electrodes

C

Dilute `H_2SO_4` with Cu electrodes

D

Concentrated aq. NaCl with Pt electrodes

Text Solution

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The correct Answer is:
A, B
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