Out of the following oxides, the amphoteric oxide is : (a) Fe2O3 (b) Al2O3 (c) P2O3 (d) N2O
Answer :
(b) Al2O3 Al2O3 can react with acids as well as bases to form salt and water
(a) What are amphoteric oxides? Give two examples of amphoteric oxides. (b) Choose the acidic oxides, basic oxides and neutral oxides from the following: Na2O:CO2;CO;SO2;MgO;N2O;H2O. (c) Which of the following are amphoteric oxides: MgO,ZnO,P2O3,Al2O3,NO2