Question

Which of the following oxides are amphoteric
A.beo
B.sno
3.zno
4.al2o3

Answer 1

Hii There!!

4)=)Al2O3 is an ampotheric oxide
Amphoteric oxide means those metallic oxide which shows acidic and basic nature in a chemical reaction.


Hope it helps

Answer 2

4.Al2SO3 is aphotric oxides of all the options.