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Pb and Sn are extracted from their chief...

Pb and Sn are extracted from their chief ore by `:`

A

Carbon reduction and self reduction

B

Self reduction and carbon reduction

C

Electrolysis and self reduction

D

Self reduction and electrolysis

Text Solution

Verified by Experts

The correct Answer is:
B
`2Pbsoverset(3O_(2))(rarr)2PbOoverset(PbS)(rarr)3Pb+SO_(2)("self reduction")`
`SnO_(2)+2CrarrSn+2CO`
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