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Aluminium is a noble metal...

Aluminium is a noble metal

A

aluminium is a nobel metal

B

oxygen forms a protective oxide layer on aluminium surface

C

iron unergoes reaction easily with water

D

iron forms both mono and divalent ions

Text Solution

Verified by Experts

The correct Answer is:
B
`2Al+3H_(2)OtoAl_(2)O_(3)+3H_(2)O` (slow reaction)
`Al_(2)O_(3)` forms protecting oxide layer on `Al` surface
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