Which two metals do not corrode easily? Give an example in each case to support that
- corrosion of some metals is an advantage.
- Corrosion of some metals is a serious problem.
Gold and platinum.
- A thin impervious layer of aluminium oxide forms a protective layer which protects the aluminium metals underneath from further damage.
- Corrosion of iron is a serious problem. Every year enormous amount of money is spent to replace damaged iron and steel structures.