1)2Na+2HCl=2NaCl+H2
2)Mg+2HCl=MgCl2+H2
3)2Al+6HCl=2AlCl3+3H2
4)ZnO+H2SO4=ZnSO4+H2O
5)3MgO+2H3PO4=Mg3(PO4)2+3H2O
6)Al2O3+3H2SO4=Al2(SO4)3+3H2O
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1)2Na+2HCl=2NaCl+H2
2)Mg+2HCl=MgCl2+H2
3)2Al+6HCl=2AlCl3+3H2
4)ZnO+H2SO4=ZnSO4+H2O
5)3MgO+2H3PO4=Mg3(PO4)2+3H2O
6)Al2O3+3H2SO4=Al2(SO4)3+3H2O