Q. A metal which is refined by poling is
A) Silver
B) Sodium
C) Blister copper
D) Zinc
Explanation
(c)
Poling is used for purification of metal which contain their own oxide as impurity, $eg,\ Cu_{2}O$ in $Cu;SnO_{2}$ in $Sn$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.