Give one word to the following:

A process of extracting metals from its ores by electrolysis.

Give one word for the following:

Process of extraction of metals from its ores electrolytically.

The following question is related to the extraction of aluminum metal by the electrolysis process:

(b) During electrolysis, is it necessary to renew the anode from time to time?

Given below is the list of metals:

Select from the above, those metals that would be extracted from their ores by:

Also, give the balanced chemical equation for each extraction.

(a)Electrolysis

(a) Sodium is extracted from molten Sodium Chloride.

For the above processes :

(i) Name the cathode and anode used in each case.
(ii) Summarize the electrode reactions for each of the above-mentioned extractions.
(iii) Explain why metals above zinc in the activity series of metals are extracted from their ores by electrolysis.