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Aluminium becomes passive in...

Aluminium becomes passive in

A

Conc. `HNO_(3)`

B

`H_(2)CrO_(4)`

C

`HClO_(4)`

D

All

Text Solution

Verified by Experts

The correct Answer is:
D
Aluminium becomes passive in strongly oxidising medium. Conc. `HNO_(3), H_(2)CrO_(4), HClO_(4)` are all oxidising agents. As such Al becomes passive in all the three.
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