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

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Text solutionVerified

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 + CO

P b O + CO \to P b + C O_{2}

(carbon reduction)

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Question Text	Lead is extracted from its chief ore galena by both carbon reduction as well as self-reduction.
Answer Type	Text solution:1
Upvotes	150