November 2021 0 11 Report
Помогите пожалуйста. Установите соответствие:

A.Соединение
В.Размножение
С.Обмена
D.Замещение

1. CuSO4+2NaOH=Cu(OH)2+Na2SO4
2. 2Ca+O2=2CaO
3. 2KClO3=2KCl+3O2
4. CuSO4+Fe=FeSO4+Cu​
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