July 2022 0 4 Report
Допишите уравнения реакций, разберите ОВР
Mg+HNO₃⇒
BaO+Al⇒
Pb+O₂⇒
Mn+H₂O⇒
Fe₂O₃+H₂⇒
K+H₂⇒
Sn+H₂O⇒
Cu+S⇒
2. Осуществите превращения
Cu⇒CuO⇒CuCl₂⇒Cu(OH)₂⇒CuO⇒Cu
↓ ↓ ↑
CuS CuSO₄
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