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NaOH is prepared by the electrolysis of

(a) aqueous solution of sodium chloride with platinum electrode

(b) sodium chloride solution with graphite anode and mercury cathode

(c) sodium carbonate with platinum electrodes 

(d) sodium carbonate with nickel electrodes

1 Answer

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Best answer

Correct option  (b) sodium chloride solution with graphite anode and mercury cathode

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