Question

reactions of amphoteric oxides
refer it correctly

Answer 1

metals oxides are usually basic and they reacts with acids to form their respectively salts.amphoteric oxdies is react with acid and alkailes to for salts .ZnO reacts with HCL acid to form Zncl and H2O.with sodium hydroxide it form sodium zincate and water.

Answer 2

Certain oxides of metals like Zn O,  Al2 O3 etc. act with bases and acids both to form salts.

Al2 O3 + 6 H Cl ==> 2 Al Cl3 + 3 H2 O

Al2 O3 + 3 H2 O  + 2 Na OH  ==> 2 Al Na (OH)4