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Q 3121134021.     (a) Select the correct compound from the list - Ammonia, Copper oxide, Copper sulphate,
Hydrogen chloride, Hydrogen sulphide, Lead bromide- which matches with the description
given below: (i) A solution of this compound is used as the electrolyte when copper is purified.
(ii) When the compound is electrolyzed in the molten state, lead is obtained at the cathode.
(b) Write two applications of electrolysis in which the anode diminishes in mass.
(c) Complete the following table which refers to two practical applications of electrolysis:
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)