The poling process is used for:

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

Which metal is refined by Mond process?

The purification of $Zr$ (Zirconium) is carried out by the $Van$ $Arkel$ method. Which halogen is used in this process?

Match the following items of List-$I$ with those of List-$II$:

List-$I$	List-$II$
$(A)$ Nickel	$(1)$ Electrolytic refining
$(B)$ Titanium	$(2)$ Zone refining
$(C)$ Germanium	$(3)$ van-Arkel method
$(D)$ Copper	$(4)$ Mond process

The correct answer is:

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