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11/09/2021 12:34 pm
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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
1 Answer
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11/09/2021 12:35 pm
(a) Those metal oxides which show basic as well as acidic behavior are known as amphoteric oxides.
Example: Aluminium oxide and zinc oxide.
(b) Acidic oxide – CO2, CO, SO2 and N2O; Basic oxide – Na2O, MgO; Neutral oxide – H2O.
(c) ZnO, Al2O3.