Galvanised iron is___________________?
Correct answer: B. Protected from rusting
- A. Harder
- B. Protected from rusting
- C. Alumina coated iron
- D. None of these
Explanation
Galvanised iron has a zinc coating that separates the iron from the atmosphere and also provides sacrificial protection if the coating is scratched. Therefore its important property is resistance to rusting, not increased hardness or an alumina coating.
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