Question
Chemistry Question on Concentration of ores
The methods chiefly used for the extraction of lead and tin from their ores are respectively
A
self-reduction and carbon reduction
B
self-reduction and electrolytic reduction
C
carbon reduction and self-reduction
D
cyanide process and carbon reduction
Answer
self-reduction and carbon reduction
Explanation
Solution
Lead is mainly extracted by self-reduction process while tin is extracted by carbon reduction method.