Question

Why aluminum oxide also known as amphoteric oxide?

Answer 1

Aluminium oxide is amphoteric. It has reactions as both a base and an acid. Reaction with water: Aluminum oxide is insoluble in water and does not react like sodium oxide and magnesium oxide. Theoxide ions are held too strongly in the solid lattice to react with the water.

Answer 2

Hey friend..

Here is your answer...

Aluminium oxides are also known as amphoteric oxides.
This is because aluminium oxides react with both acids and bases.

Hope my answer will help you...