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Extraction of lead by reduction methods ...

Extraction of lead by reduction methods is done by

A

Adding more galena into reverberatory furnace

B

Adding more lead sulphate into reverberatory furnace

C

Adding more galena and coke into the reverberatory furnace

D

Self reduction of oxide from sulphide present in the furnace

Text Solution

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The correct Answer is:
A
From the extraction process
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Main ore of lead is gaalena.This is mined and separated from other minerals by froth flotation.There are two methods of extracting the lead. (i)First method involves the roasting of ore followed by reduction with coke or CO. (ii)Second method involves the partial roasting of ore followed by self reduction. Partial roasting of galena gives :