During the process of electrolytic refining of copper, some metals present as impurity settle as ‘anode mud’. These are_______
A. Pb and Zn
B. Sn and Ag
C. Fe and Ni
D. Ag and Au
Answer:D
During the process of electrolytic refining of copper, some metals present as impurity settle as ‘anode mud’. These are_______
A. Pb and Zn B. Sn and Ag C. Fe and Ni D. Ag and Au