Ответ:
2Al + 3O2 = 2Al2O3
Ca + 2HCl = CaCl2 + H2
3ZnO + 2H3PO4 = Zn3(PO4)2 + 3H2O
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Ответ:
2Al + 3O2 = 2Al2O3
Ca + 2HCl = CaCl2 + H2
3ZnO + 2H3PO4 = Zn3(PO4)2 + 3H2O