б) 3Al+3F2-2AlF3
N2+3H2-2NH3
6FeO + O2-2Fe3O4
2Fe+3Cl2-2FeCl3
в) 2H2O2-2H2O+O2
2Ca+O2-2CaO
2Na+Cl2-2NaCl
2BaO+O2-2BaO2
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б) 3Al+3F2-2AlF3
N2+3H2-2NH3
6FeO + O2-2Fe3O4
2Fe+3Cl2-2FeCl3
в) 2H2O2-2H2O+O2
2Ca+O2-2CaO
2Na+Cl2-2NaCl
2BaO+O2-2BaO2