Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Chemistry Electrochemistry Electrochemical Cells and Its Applications
The negative electrode in a dry cell is made of
1
Copper
2
Carbon
3
Zinc
4
More than one of the above
5
None of the above