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Aluminium is more reactive than iron. Bu...

Aluminium is more reactive than iron. But aluminium is less easily corroded than iron because

A

Iron forms mono and divalent ions

B

Iron undergoes reaction easily with water

C

Oxygen forms a protective oxide layer on aluminium

D

Aluminium is a noble metal

Text Solution

Verified by Experts

The correct Answer is:
C
Oxygen forms a protective oxide layer on aluminium
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