July 2022 2 13 Report
Какая из предложенных реакций представляет реакцию разложения:
1)FeO + H2SO4 = FeSO4 + H2O
2)Fe+H2SO4=FeSo4+H2
3)3Fe+2O2=Fe3O4
4)FeCO2=FeO+CO2

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