why is aluminium called a self-protecting metal?
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When aluminium is exposed to the air, this overactive metal promptly reacts with the atmospheric oxygen to form aluminium oxide, which is a sticky natured compound of the same colour.
Thus, the aluminium protects itself from any corrosion by the formation of a layer of aluminium oxide over the entire metal surface and thus, aluminium is termed as a self-protecting metal.
Thus, the aluminium protects itself from any corrosion by the formation of a layer of aluminium oxide over the entire metal surface and thus, aluminium is termed as a self-protecting metal.
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HEY!!
✔Aluminium is called a self - protecting metal as aluminium reacts with oxygen and and forms aluminium oxide. Hence, an oxide layer will be formed and the reaction will be stopped.
✔Aluminium is called a self - protecting metal as aluminium reacts with oxygen and and forms aluminium oxide. Hence, an oxide layer will be formed and the reaction will be stopped.
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