Match List-$I$ with List-$II$ and select the correct answer using the codes given below the list.

List-$I$	List-$II$
$1. Ti$	$A. \text{Bauxite}$
$2. Si$	$B. \text{Cerussite}$
$3. Al$	$C. \text{Van-Arkel method}$
$4. Pb$	$D. \text{Zone refining}$

Give the correct order of initials $T$ or $F$ for following statements. Use $T$ if statement is true and $F$ if it is false.
$(i)$ Every mineral is an ore but every ore is not a mineral.
$(ii)$ Slag is a product formed during the extraction of metal by the combination of flux and impurities.
$(iii)$ Highly pure metals can be obtained by zone refining.
$(iv)$ Carnallite is an ore of magnesium and sodium.

Match List-$I$ with List-$II$.

List-$I$ (Industrial process)	List-$II$ (Application)
$(a)$ Haber's process	$(i)$ $HNO_{3}$ synthesis
$(b)$ Ostwald's process	$(ii)$ Aluminium extraction
$(c)$ Contact process	$(iii)$ $NH_{3}$ synthesis
$(d)$ Hall-Heroult process	$(iv)$ $H_{2}SO_{4}$ synthesis

Choose the correct answer from the options given below:

Which of the following changes involve more than two metallurgical processes?

Ellingham diagrams can be drawn for which of the following?

Which of the following metals is present in Brass,Bronze,and German silver?