Pure hydrogen is obtained by carrying electrolysis of

1.	Pure hydrogen is obtained by carrying electrolysis of
Answer» water CONTAINING `H_(2)SO_(4)` water containing NaOH `Ba(OH)_(2)` SOLUTION KOH solution Solution :Pure HYDROGEN is obtained by the electrolysis of `Ba(OH)_(2)` solution in a U-tube using nickel electrode. The GAS is liberated at the cathode and is passed over heated platinum gauze to remove oxygen if present as impurity.

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