Question

Why is Aluminium oxide amphoteric in nature?​

Answer 1

It has reactions as both a base and an acid.The oxide ions are held too strongly in the solid lattice to react with the water. Reaction with acids: Aluminum oxide contains oxide ions, and thus reacts with acids in the same way sodium or magnesium oxides do.

Answer 2

Hey mate..!!
The given picture contains proper detail of your question with reactions..
ⓂⒶⓇⓀ ⓂⒺ ⒶⓈ ⓉⒽⒺ ⒷⓇⒶⒾⓃⓁⒾⒺⓈⓉ.. ❤