Question

what is corrosion? give some examples of corrosion events.
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Answer 1

Answer:

The gradual eating up the metals by action of air , moisture or chemical reaction on their surface is called corrosion .

Examples :- Rusting qn iron or steel .

Answer 2

Answer:

The process in which metals breakdown gradually by the action of air, moisture or a chemical on their surface .

Examples - Formation of oxide layer on the surface of aluminium .

Tarnishing of silver metal on exposure to hydrogen sulphide .

Formation of reddish brown layer on the surface of iron articles .