Question

name the acid that renders aluminium passive .Why?



please answer it fast tomorrow is my exam ​

Answer 1

Answer:

Action of concentrated nitric acid render aluminium passive because due to the action of acid corresponding oxides are formed for aluminium it is aluminium oxide which stops or renders further attack of the nitric acid.

Answer 2

Answer:

Nitric acid

Explanation:aluminium does not react with nitric acid at any concentration, probably because of the formation of protective layer of aluminium oxide