Application of Electrochemical Principles in the Extraction of Some Metals

In Hall-Heroult process, the following is used for reducing ${\mathrm{Al}}_2{\mathrm{O}}_3$ :-

Which of the following is used for the reduction of ${\mathrm{Al}}_2{\mathrm{O}}_3$?

Copper is extracted from

Which of the following benefaction processes is used for the mineral, ${\mathrm{Al}}_2{\mathrm{O}}_3.2{\mathrm{H}}_2\mathrm{O}$?

What will happen, if anode is made of nickel instead of graphite in the extraction of aluminium from ${\mathrm{AlCl}}_3?$

In the electrometallurgy of aluminium, the anode used is

In Hall-Heroult process, ${\mathrm{CaF}}_2$ is used

Hall Heroult method is used for the extraction of

Impurities present in bauxite ore is separated by leaching process using _____ method.

Which of the following is not a mineral of aluminium?

Serpeck's process is used for the Bauxite ore which contains _____ impurity.

The powdered bauxite ore is mixed with coke and heated at high temperature in the presence of _____.

How does silica removed in the Serpeck process?

How does aluminium hydroxide formed during the Serpeck process?

Discuss the Serpeck process.

The number of electrons involved in the reduction of one aluminium is _____.

In Hall-Heroult process, the anode is _____.

Discuss, what happens during the electrolysis process.