Question
Chemistry Question on General Principles and Processes of Isolation of Elements
Pb and Sn are extracted from their chief ores by
A
carbon reduction and self reduction respectively
B
self reduction and carbon reduction respectively
C
electrolysis and self reduction respectively
D
self reduction and electrolysis respectively
Answer
self reduction and carbon reduction respectively
Explanation
Solution
Tin can be extracted by carbon reduction method only whereas lead can be extracted either by self reduction method or by carbon reduction method.