Which of the following is correctly matched?

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(B) In the extraction of iron,haematite $(Fe_2O_3)$ is reduced to pig iron in a blast furnace using coke and limestone. This is a correct match.Copper

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Haematite $	o$ Pig iron Blast furnace

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(B) In the extraction of iron,haematite $(Fe_2O_3)$ is reduced to pig iron in a blast furnace using coke and limestone. This is a correct match.Copper matte is a mixture of $Cu_2S$ and $FeS$,and its conversion to $Cu$ involves Bessemerization (self-reduction),but the option is often considered incomplete or less accurate compared to the blast furnace process for iron.Galena $(PbS)$ is converted to $PbO$ by roasting (not calcination).Red bauxite is purified by the Bayer process,and $Al$ is obtained by Hall-Heroult electrolytic reduction,but the process sequence is distinct.

Column-$I$	Column-$II$
$A$. $PbS \rightarrow PbO$	$p$. roasting
$B$. $CaCO_3 \rightarrow CaO$	$q$. calcination
$C$. $ZnS \rightarrow Zn$	$r$. Carbon reduction
$D$. $Cu_2S \rightarrow Cu$	$s$. self reduction

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