Observe the following chemical equations :
(i) `Al_(2)O_(3) + 2NaOH rarr 2NaAlO_(2) + H_(2)O`
(ii) `Al_(2)O_(3) + 6HCl rarr 2AlCl_(3) + 3H_(2)O`
What is the conclusion that you take about the nature of aluminium oxide with the help of these equations. Give reason for your conclusion.

Explanation

Aluminium oxide is amphoteric in nature.
Aluminium oxide is reacting with base in the first equation to give salt & water.
Hece, it is an amphoteric oxide.