1) CaO->Ca(OH)2->CaCl2->Ca
CaO+H2O = Ca(OH)2
Ca(OH)2+2 HCl = CaCl2+2 H2O
CaCl2+H2 = Ca+2 HCl
2) Fe->FeCl3->Fe(OH)3->Fe2O3
2 Fe+3 Cl2 = 2 FeCl3
FeCl3+3 NaOH = Fe(OH)3+3 NaCl
2 Fe(OH)3 = Fe2O3+3 H2O
1) CaO->Ca(OH)2->CaCl2->Ca
CaO+H2O = Ca(OH)2
Ca(OH)2+2 HCl = CaCl2+2 H2O
CaCl2+H2 = Ca+2 HCl
2) Fe->FeCl3->Fe(OH)3->Fe2O3
2 Fe+3 Cl2 = 2 FeCl3
FeCl3+3 NaOH = Fe(OH)3+3 NaCl
2 Fe(OH)3 = Fe2O3+3 H2O