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(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
(a) Amphoteric oxides are those oxides that are basic as well as acidic character.
Examples: Aluminium oxide (Al2O3) and zinc oxide (ZnO).
(b) Acidic oxide: CO2; CO; SO2
Basic oxides: Na2O; MgO;
Neutral oxide: H2O
(c) ZnO, Al2O3 are amphoteric oxides.
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