State the role of
graphite rod in the electrolytic reduction of alumina.

Aluminium is extracted from bauxite by the electrolysis of aluminium oxide dissolved in cryolite. Now answer the following question: Write the reactions at cathode in the electrolytic reduction of alumina.

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

Name the compound added to pure alumia to lower the fusion temperature during the electrolytic reduction of alumina.

The funciton of adding cryolite in the electrolytic reduction of alumina by Hall-Heroult process is to :

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

Which of the following statements is correct ? (i) Copper is extracted by hydrometallury from low grade ores. (ii) In electrolytic reduction of alumina , graphite is acting as anode and steel vessel with lining of carbon acts as cathode. (iii) In Hall-Heroult process, aluminium is obtained at anode and CO and CO_(2) are produce at cathode

Answer the following questions with respect to the electrolytic reduction of aluminium : Name the anode, cathode and electrolyte used in the process named in

State the role of endothecium.

Answer the following questions with respect to the electrolytic reduction of aluminium : Name the process used for the reduction of alumina.

Name the following : The non-metal which forms the anode during electrolytic reduction of fused alumina in Hall Heroult's process.