1) 2Ca + 2H2O -> 2CaOHOHOH2CaOHOHOH2 + CO2 -> CaCO3 + H2OCaCO3 -> CaO + CO2CaO + HCl -> CaCl2 + H2OCaCl2 -> Ca + Cl2
2) CaCO3 -> CaHCO3HCO3HCO32CaHCO3HCO3HCO32 -> CaCO3 + CO2 + H2OCaCO3 + HCl -> CaCl2 + CO2 + H2OCaCl2 -> Ca + 2ClCa + S -> CaS
3) MgCO3 -> MgCl2 + CO2MgCl2 -> Mg + 2ClMg + 2HNO3 -> MgNO3NO3NO32 + H2
4) 2Al + 3O2 -> 2Al2O3Al2O3 + 6HCl -> 2AlCl3 + 3H2O2AlCl3 + 3NaOH -> 2AlOHOHOH3 + 3NaClAlOHOHOH3 + 3HNO3 -> AlNO3NO3NO33 + 3H2O
5) Fe + 2HCl -> FeCl2 + H2FeCl2 + 2NaOH -> FeOHOHOH2 + 2NaClFeOHOHOH2 + O2 -> FeOHOHOH3
6) FeOHOHOH3 -> Fe2O3 + 3H2OFe2O3 + 3CO -> 2Fe + 3CO22Fe + 3/2O2 -> 2Fe2O3
7) Fe2SO4SO4SO43 + 6NaOH -> 2FeOHOHOH3 + 3Na2SO4FeOHOHOH3 -> Fe2O3 + 3H2OFe2O3 + 6HCl -> 2FeCl3 + 3H2O2FeCl3 -> 2Fe + 3Cl2
1) 2Ca + 2H2O -> 2CaOHOHOH2
CaOHOHOH2 + CO2 -> CaCO3 + H2O
CaCO3 -> CaO + CO2
CaO + HCl -> CaCl2 + H2O
CaCl2 -> Ca + Cl2
2) CaCO3 -> CaHCO3HCO3HCO32
CaHCO3HCO3HCO32 -> CaCO3 + CO2 + H2O
CaCO3 + HCl -> CaCl2 + CO2 + H2O
CaCl2 -> Ca + 2Cl
Ca + S -> CaS
3) MgCO3 -> MgCl2 + CO2
MgCl2 -> Mg + 2Cl
Mg + 2HNO3 -> MgNO3NO3NO32 + H2
4) 2Al + 3O2 -> 2Al2O3
Al2O3 + 6HCl -> 2AlCl3 + 3H2O
2AlCl3 + 3NaOH -> 2AlOHOHOH3 + 3NaCl
AlOHOHOH3 + 3HNO3 -> AlNO3NO3NO33 + 3H2O
5) Fe + 2HCl -> FeCl2 + H2
FeCl2 + 2NaOH -> FeOHOHOH2 + 2NaCl
FeOHOHOH2 + O2 -> FeOHOHOH3
6) FeOHOHOH3 -> Fe2O3 + 3H2O
Fe2O3 + 3CO -> 2Fe + 3CO2
2Fe + 3/2O2 -> 2Fe2O3
7) Fe2SO4SO4SO43 + 6NaOH -> 2FeOHOHOH3 + 3Na2SO4
FeOHOHOH3 -> Fe2O3 + 3H2O
Fe2O3 + 6HCl -> 2FeCl3 + 3H2O
2FeCl3 -> 2Fe + 3Cl2