July 2022 1 12 Report
1) Составьте уравнение следующих превращений:
K→KOH→K₂CO₃→CO₂
2)Восстановите уравнения реакций:
а)CuSO₄+...=ZnSO₄+...
б)MgCl₂+...=Mg(OH)₂↓+...
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