June 2021 0 7 Report
Какие из реакций, уравнения которых приведены ниже, являются окислительно-восстановительными: 2Na + 2 H2O = 2 NaOH + H2
Na2O +2HСl = 2NaCl +H2O
H2 + Cl2 =2HCl
Cl2 + H2O = HClO +HCl
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