Of the listed oxides, amphoteric ones include: Na2O, K2O, ZnO, CaO
| July 7, 2021 | education
Of the listed oxides, amphoteric ones include: Na2O, K2O, ZnO, CaO, Al2O3 Write the reaction equations proving the dual nature of amphoteric oxides.
1. ZnO, Al2O3
2.ZnO+2HCl→ZnCl2+H2O
ZnO+2NaOH+H2O→Na2[Zn(OH)4]
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