Refining using the liquation method is the most suitable for metals with:

Explain chromatographic methods to refine the elements.

The metal purified by the $Mond$ process is $X$. The number of unpaired electrons in $X$ is

Which of the following processes for refining of metals involves a principle of selective adsorption of the components from a mixture?

The zone refining method is used to obtain.......

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