Explain the role of Cryolite in the electrolytic reducion of alumina.

An electrolyte.

Explain the role of Carbon monoxide in the purification of nickel.

Explain ETS.

Explain the terms in brief: Strong electrolyte.

What is the role of graphite rod in the electrometallurgy of aluminium?

What is electrolytic cell?

Write the chemical reactions which take place in the following operations: Electrolytic reduction of Al_2O_3 .

Explain the role of the following in the processes mentioned: Cryolite in the metallurgy of aluminium.

Explain the role of the following in the processes mentioned: Silica in the extraction of copper.