Question

why is aluminium called self protecting metal

Answer 1

Thus, the aluminium protects itself from any corrosion by the formation of a layer of aluminiumoxide over the entire metal surface and thus, aluminium is termed as aself-protecting metal. ✔Aluminium is called a self -protecting metal as aluminiumreacts with oxygen and and formsaluminium oxide.

Answer 2

aluminium is called self protecting metal because when it comes in contact with atmosphere it is covered with a layer of aluminium oxide which stops futher corrosion.....

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