. To prevent iron from rusting a coating of this metal is deposited


To prevent iron from rusting a coating of this metal is deposited

 (a) Calcium (b) Chromium

 (c) Sodium (d) Potassium

 

Best Answer

Ans-(b) Chromium

A coating of metals like chromium and zinc is deposited on iron articles to prevent rusting. This layer does not allow air and moisture to come in contact with iron and hence it is not rusted.

 

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