Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemistry in Everyday Life
Two iron cans are taken. One of them is coated with zinc and the second one is coated with tin. A scratch is made on the coating of both the cans and the cans are kept in open air for some days. In which case the iron can will get rusted?
1
Only the can coated with zinc will get rusted.
2
Only the can coated with tin will get rusted.
3
The can will not get rusted in either case.
4
More than one of the above
5
None of the above