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ICSE Class 7 Answered

What do you mean by corrosion of metals?
Asked by rajnisingh3625 | 23 Nov, 2018, 12:32: PM
answered-by-expert Expert Answer
The gradual eating up of metals by the action of air, moisture or a chemical reaction (such as an acid) on their surface is called corrosion.
The most commonly seen example of corrosion of metals is rusting of iron i.e the formation of a brown flaky substance on iron objects on exposure to moist air.
 
 
4Fe + 3O2 + 2nH2 2Fe2O3.nH2O
Answered by Ramandeep | 23 Nov, 2018, 01:22: PM
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