Question

The methods chiefly used for the reduction of ores of lead and tin are respectively.

• A. Self reduction and carbon reduction
• B. Self reduction and electrolytic reduction
• C. Carbon reduction and self reduction
• D. Cynide process and carbon reduction

Answer 1

The correct option is A Self reduction and carbon reduction

$\left(1\right)PbS+2PbO\underset{\text{reduction}}{\overset{self}{\to }}3Pb+S{O}_2\left(2\right)Sn{O}_2+C\to Sn+C{O}_2$