First slide

Hydrogen

Question

Which of the following method is used to obtain high purity (> 99.95)% dihydrogen?

Easy

A

Electrolysing (aq) barium hydroxide solution between nickel electrodes
B

Electrolysing (aq)NaOH solution between nickel electrodes
C

Electrolysing (aq) barium hydroxide solution between platinum electrodes
D

Electrolysing (aq) NaOH solution between platinum electrodes

Solution

Electrolysing (aq) barium hydroxide solution between nickel electrodes

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