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Smelting

Lead is extra...

Question

Lead is extracted from its chief ore galena by both carbon reduction as well as self-reduction.

A

True

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B

False

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Solution

The correct option is A True
$2 P b S + 3 O_{2} \to 2 P b O + 2 S O_{2}$
$P b S + 2 P b O \to 3 P b + S O_{2}$ (self reduction)
$P b O + C \to P b + C O$
$P b O + C O \to P b + C O_{2}$ (carbon reduction)

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