Question

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What is Anodising.....??

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Answer 1

$\textbf{Anodising}$

It is a process of forming a thick oxide layer of Al. Aluminium develops a thin oxide layer when exposed to Air. This Al oxide coat make it resistant to further corrosion also.

Answer 2

Here is your answer, dear...
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Anodising is a method of increasing the corrosion of resistance of metals by forming a layers of oxides on its surface.