Hoop's process is used for the purification of the metal:

The cupellation process is used in the metallurgy of:

Which metal is purified using the Mond process?

Which method is used for the purification of $Ni$?

The zone refining method is used for the purification of which of the following?

Which process of purification is represented by the following equation?
$Ti_{\text{(Impure)}} + 2I_2$ $\xrightarrow{250^{\circ}C} TiI_4$ $\xrightarrow{1400^{\circ}C} Ti_{\text{(Pure)}} + 2I_2$