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Which two metal do not corrode easily?Give an example in each case to support that (i) Coorosion of some metals is an advantage. (ii) corrosion of some metals is a serious problem. |
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Answer» SOLUTION :Gold and platinum (i) A thin IMPERVIOUS layer of aluminium oxide forms a protective layer which process the aluminium metal underneath from further damage. (II) Corrosion of iron is a serious problem. Every year enormous amount of MONEY is spent to replace damaged iron and STEEL structures. |
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