Question

The option(s) with only amphoteric oxides is(are)(A) Cr₂O₃, BeO, SnO, SnO₂(B) Cr₂O₃, CrO, SnO, PbO(C) NO, B₂O₃, PbO, SnO₂(D) ZnO, Al₂O₃, PbO, PbO₂

Answer 1

Only song and aluminium forms amphoteric oxides.

Answer 2

Dear friend ,

your answer should be option D

because all the compounds

ZnO , Al2O3 , PbO and PbO2 are  amphoteric in nature

HOPE THIS HELPS