Ca +2HCl = CaCl₂ + H₂
CaCl₂ = Ca + Cl₂
Ca + 2C = CaC₂
CaC₂ + 2H₂O = Ca(OH)₂ + C₂H₂
Ca(OH)₂ + CO₂ = CaCO₃ + H₂O
CaCO₃ = CaO + H₂O
Ca +2HCl = CaCl₂ + H₂
CaCl₂ = Ca + Cl₂
Ca + 2C = CaC₂
CaC₂ + 2H₂O = Ca(OH)₂ + C₂H₂
Ca(OH)₂ + CO₂ = CaCO₃ + H₂O
CaCO₃ = CaO + H₂O