Match the items of List-$I$ with those of List-$II$ and choose the correct option given below.

List-$I$	List-$II$
$A$. Calcination	$1$. Galena
$B$. Roasting	$2$. Magnetite
$C$. Magnetic separation	$3$. Pyrometallurgy
$D$. Carbon reduction of metal oxide	$4$. Malachite

The correct statement$(s)$ related to the metal extraction processes is(are):
$(A)$ $A$ mixture of $PbS$ and $PbO$ undergoes self-reduction to produce $Pb$ and $SO_2$.
$(B)$ In the extraction process of copper from copper pyrites,silica is added to produce copper silicate.
$(C)$ Partial oxidation of sulphide ore of copper by roasting,followed by self-reduction produces blister copper.
$(D)$ In the cyanide process,zinc powder is utilized to precipitate gold from $Na[Au(CN)_2]$.

Solder is an alloy of

Match items of Column-$I$ with the items of Column-$II$ and assign the correct code :

Column $I$	Column $II$
$A$. Cyanide process	$i$. Ultrapure $Ge$
$B$. Froth floatation	$ii$. Dressing of $ZnS$
$C$. Electrolytic reduction	$iii$. Extraction of $Al$
$D$. Zone refining	$iv$. Extraction of $Au$
	$v$. Purification of $Ni$

Which of the following is correctly matched?

Select the incorrect statement.