Select the correct answer from the list given is brackets:
(iv)When dilute sodium chloride is electrolyzed using graphites electrodes, the cation is discharged at the cathode most readily. .[Na+, OH-, H+, Cl-]
Na+
State one chemical test between each of the following pairs:
Sodium carbonate and Sodium sulphite
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An aqueous electrolyte consists of the ions mentioned in the list the ion which could be discharged most readily during electrolysis .
[Fe2+ Cu2+Pb2+H+]
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The metallic electrode which does not take part in an electrolytic reaction [Cu, Ag,Pt,Ni]
Name the gas in each of the following:
The gas evolved on the reaction of Aluminium with boiling concentrated caustic alkali solution.
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The ion which is discharged at the anode during the electrolysis of copper sulphate solution using copper electrodes as anode and cathode [Cu2+,OH-, SO2-4,H+]
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During silver plating of an article using potassium argentocyanide as an electrolyte, the anode material should be [Cu, Ag,Pt,Fe].
State one chemical test between each of the following pairs:
Manganese dioxide and copper (II)oxide.