Q. During the process of electrolytic refining of copper, some metals present as impurity settle as ‘anode mud’. These are
A) Fe and Ni
B) Ag and Au
C) Pb and Zn
D) Se and Ag
Explanation
(b)
During electrolysis, noble metals (inert metals) like Ag, Au and Pt are not affected band separate as anode mud from the impure anode
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.