give a note on corrosion

1.	give a note on corrosion
Answer» rust When a metal is attacked by substance around it such as moisture, acid etc. It is said to corrode and this process is called corrosion. The black coating on silver and the green coating on copper as another example of origin origin cause damage to our bodies bridges iron railing shapes and to all objects made up of metals especially those of iron origin of iron a serious problem. Every year an enormous amount of money is spent to replace damage iron.

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