GkSeries.com
Home
GK
ENGLISH
CURRENT AFFAIRS
APTITUDE
REASONING
BANKING
UGC NET
COMPUTER SC.
COURSES
Home
General Knowledge
copper-is-refined-by
Copper is refined by
A
Roasting
B
Oxidation
C
Electrolysis
D
Zone refining
View Answer
Answer & Explanation
Answer: Option [A]
⭐ Make GKSeries Your Preferred Source on Google
Add GKSeries as Preferred Source
← Go To First Question
Go To 441 of →