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CBSE Class 10 Answered

surface of alluminium turns into dull colour after some few days.write the reaction
Asked by prakharsingh167 | 25 May, 2020, 10:20: PM
Expert Answer
Though aluminium is a highly reactive metal, it is resistant to corrosion. This is because aluminium reacts with oxygen present in air to form a thin layer of aluminium oxide. This oxide layer is very stable and prevents further reaction of aluminium with oxygen. Because of this layer surface of alluminium turns into dull colour after some few days.
 
2Al +3O2 → Al2O3
Answered by Ramandeep | 26 May, 2020, 10:49: AM

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