Вода реагирует с веществами состава: 1)SiO2 2)Na 3)CuO 4)CaO 5)Fe Напишите химичискую реакцию.
2)2Na + 2H20 = 2NaOH + H2 4)CaO + H2O = (CaOH)2 5)3Fe + 4H2O = Fe2O3 + 4H2
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2)2Na + 2H20 = 2NaOH + H2
4)CaO + H2O = (CaOH)2
5)3Fe + 4H2O = Fe2O3 + 4H2
2Na+H2O=2NaOH+H2