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05-02-2024
Chemistry

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In the electrolysis of an aqueous solution of NaOH,2.8 litre of oxygen gas at NTP was liberated at anode. How much of hydrogen gas was liberated at cathode?

A. 2.8 litre
B. 5.6 litre
C. 11.2 litre
D. 22.4 litre

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