InterviewSolution
| 1. |
i) How is corrosion is different from rusting of metals. |
|
Answer» Corrosion and rusting are two chemical processes, which result in disintegration of materials. --Corrosion is the layer-by-layer spoiling or degrading of any metallic surface through such agents as oxygen, water vapour, hydrogen sulfide and other possible pollutants. --Rusting is merely a specific case of corrosion where the metal surface concerned is iron and the red-brown flakes of Fe2O3.nH2O that form are what is calledrust. When a metal reacts with external environment its structure will be deteroited and break down into small pieces.Rusting in a chemical process which is common with all metals containing iron. |
|