October 2021 1 20 Report
20 БАЛЛОВ Уравнению окислительно-восстановительной экзотермической реакции соответствует запись
1) CO2 + Na2O2 → Na2CO3 + O2 + Q
2) Al(OН)3 → Al2O3 + H2O – Q
3) 2NH3 → N2 + 3H2 – Q
4) Na2O + P2O5 → Na3PO4 + Q
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