One of the following metals forms a volatile compound and this property is taken advantage of for its extraction. This metal is

In electrolytic refining,the impure metal is used to make:

In the electrolytic refining of zinc,

During the purification of an impure metal by electrolysis,the impure metal is used as the ...... and the pure metal is used as the ...... .

Which of the following statements are correct related to metallurgy?
$A$. In electrolytic refining of copper,pure $Cu$ is used as anode.
$B$. Zone refining is based on the principle that impurities are more soluble in the melt than in the solid state of the metal.
$C$. $TiI_4$ upon heating will give pure $Ti$.
$D$. Very pure $Zr$ may be obtained by galvanisation.
$E$. In copper smelting,hot air is used to convert to $CuSO_4$.
The correct answer is

The method of electrolytic refining is not suitable in the extraction of