Which of the following metal from the reactivity series is oxidised by Anodizing?
a) Potassium
b) Zinc
c) Aluminium
d) Iron
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Anodising- This process is specially used to protect aluminium from corrosion. Aluminium reacts with air to form a thin layer of aluminium oxide on the metal This layer of oxide prevents further reactions and protects the metal from corrosion.
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