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in coloana A aveti partea stinga ,ear in coloana B partea dreapta a ecuatiilor unor reactii: A) Zn+H2S4= 2)Zn+HCL= 3)*Fe+H2O= 4)CH4=


Răspuns :

a) Zn + H2SO4 => ZnSO4 + H2

2) Zn + 2HCl => ZnCl2 + H2

3) 3Fe + 4H2O => Fe3O4 + 4H2

4) CH4 => C + 2H2