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