Ca -> CaO -> Ca(OH)2 -> CaO -> CaCl2 -> CaSO4
2Ca + O2-> 2CaO
CaO + H2O -> Ca(OH)2
Ca(OH)2 -> CaO + H2O
CaO + 2HCl -> CaCl2 + H2O
CaCl2 + H2SO4 -> CaSO4 + 2HCl
Ca -> CaO -> Ca(OH)2 -> CaO -> CaCl2 -> CaSO4
2Ca + O2-> 2CaO
CaO + H2O -> Ca(OH)2
Ca(OH)2 -> CaO + H2O
CaO + 2HCl -> CaCl2 + H2O
CaCl2 + H2SO4 -> CaSO4 + 2HCl