Which of the following elements is purified by vapour phase refining?

Match the List-$I$ and List-$II$.

List-$I$	List-$II$
$A$. Van Arkel method	$P$. Purification of titanium
$B$. Solvay process	$Q$. Manufacture of $Na_2CO_3$
$C$. Bessemerisation	$R$. Reduction of copper
$D$. Hall-$H$éroult process	$S$. Extraction of aluminium

In the electrolytic refining of metals,the electrolysis of an aqueous solution of its complex salt is performed using an impure metal as the anode and a strip of pure metal as the cathode. This method cannot be used for the refining of which of the following metals?

In the electrolytic refining of blister copper,the total number of main impurities,from the following,removed as anode mud is .... .
$Pb, Sb, Se, Te, Ru, Ag, Au$ and $Pt$

The method,which is based on the principle that "different components of a mixture are differently adsorbed on an adsorbent" is called

Which metal is refined by Mond process?