Which one of the following is an amphoteric oxide?

Q.

Identify the following oxides with neutral, acidic, basic and amphoteric oxides.

$i\left){\mathrm{Al}}_2{O}_3\mathrm{ii}\right)\mathrm{MgO}\mathrm{iii}\left){\mathrm{SO}}_2\mathrm{iv}\right)\mathrm{CO}v\left){\mathrm{Na}}_{2}O\mathrm{vi}\right)N_{2}O\mathrm{vii}\left)\mathrm{ZnO}\mathrm{viii}\right){\mathrm{CO}}_2\mathrm{ix}\left){\mathrm{SO}}_{3}x\right)\mathrm{CaO}.$

Q. Which one of the following is an amphoteric oxide?

Q. Which one of the following cannot form an amphoteric oxide?

Q. Classify the following oxides into acidic, basic and amphoteric.
$CaO$, $MgO$, $C{O}_2$, $S{O}_3$, $N{a}_{2}O$, $ZnO$, $A{l}_2{O}_3$, $F{e}_2{O}_3$

Q. (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