Pb can be obtained by reduction of roasted ore with coke.
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Solution

$P b S r o a s t i n g - ---- \to O_{2} P b O, P b S O_{4}$ . This mixture is smelted with coke, $S i O_{2}$ and $C a C O_{3}$
$(P b O + P b S O_{4}) S i O_{2} - -- \to s i l i c a P b S i O_{3}$
$P b O + C \to P b + C O ↑$
$P b O + C O \to P b + C O_{2} ↑$
$C a C O_{3} \to C a O + C O_{2}$
$C a O + P b S i O_{3} \to \begin{matrix} C a S i O_{3} s l a g \end{matrix} + P b O$
From the reactions, it is clear that Pb can be obtained by reduction of roasted ore with coke.

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