Which of the following is a non-ferrous alloy?

Given below are two statements.
Statement $I$: Pig iron is obtained by heating cast iron with scrap iron.
Statement $II$: Pig iron has a relatively lower carbon content than that of cast iron.
In the light of the above statements,choose the correct answer from the options given below.

Which of the following is an incorrect match?

Which among the following is an alloy of antimony,tin and copper?

The correct statement$(s)$ related to processes involved in the extraction of metals is(are):
$(A)$ Roasting of Malachite produces Cuprite.
$(B)$ Calcination of Calamine produces Zincite.
$(C)$ Copper pyrites is heated with silica in a reverberatory furnace to remove iron.
$(D)$ Impure silver is treated with aqueous $KCN$ in the presence of oxygen followed by reduction with zinc metal.

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

List-$I$	List-$II$
$A$. Bronze	$I$. $Cu, Ni$
$B$. Brass	$II$. $Fe, Cr, Ni, C$
$C$. $UK$ silver coin	$III$. $Cu, Zn$
$D$. Stainless Steel	$IV$. $Cu, Sn$

Choose the correct answer from the options given below: