Допишите уравнения реакций получения металлов: А) Fe3O4 + H2 =

Б) Fe2O3 + CO =

В) Cr2O3 +Al =

Г) CuO + H2SO4 =

Д) CuSO4 + Fe =

Е) Fe2O3 +Al =

Ж) Zn + C =

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