Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemistry in Everyday Life
Coating of which among the following metal is termed as Galvanization?
1
Copper
2
Zinc
3
Silver
4
More than one of the above
5
None of the above