Определите типы химических реакций по уравнениям реакции.                                                                    [4]


Уравнения реакций

Тип химической реакции

А) Zn + 2HCl = ZnCl2 + H2


B) MgO + 2HF = MgF2 + H2O

C) 2Cu + О2 = 2CuO

D) 2Н2O = 2Н2 + O2


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