Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemistry in Everyday Life
______ is a process of forming a thick oxide layer of Aluminium.
1
Anodizing
2
Galvanization
3
Cathodizing
4
More than one of the above
5
None of the above