Question
Chemistry Question on General Principles and Processes of Isolation of Elements
The process of zone refining is used in the purification of
A
Al
B
Ge
C
Cu
D
Ag
Answer
Ge
Explanation
Solution
Zone-refining is a method is obtain metals of very high purity. Metals like Si,Ge,Ga etc., used in semiconductors devices are purified by this method.