Определите тип химической реакции, уравновешивая коэффициенты на уравнения заданной реакции:



1) Caсl2 + K2CO3 → CaCO3 + KCl 2) Mg + O2 → MgO

3) НCl + Na2O → NaCl + H2O

4) H2O → H2 + O2

5) CuO + H2 → H2O + Cu

6) Cu(OH)2 → CuO + H2O

7) Mg + HCl → MgCl2 + H2

8) SO2 + O2 → SO3
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