Question

am nevoie de ajutor va rog si repede!!!!!

Answer 1

Răspuns:

1.Ca2+O2----CaO

2.H2+Cl2----2HCl

3.Zn+HCl----ZnCl2+H2

4.MgCO3----MgO+CO2

5.2Na+H2SO4----Na2SO4+H2

6. K2SO4+BaCl2----BaSO4+2KCl

7.Fe(Oh)3+H2SO4-----Fe2(SO4)3

8.NaOh+Cu(SO)4----Cu(OH)2+Na2SO4

9.Al(OH)3----Al2O3+H2O

10. Fe2+Cl2-----FeCl3

11.Al2O3+HCl----AlCl3+H2O