1. 2Ca + O₂ → 2CaO
2. CaO + CO₂ → CaCO₃
3. CaCO₃ + 2HCl → CaCl₂ + CO₂↑ + H₂O
4. CaCl₂ + 2NaOH → Ca(OH)₂↓ + 2NaCl
5. Ca(OH)₂ + H₂CO₃ → CaCO₃↓ + 2H₂O
Ca(OH)₂ + 2H⁺ + CO₃²⁻ → CaCO₃↓ + 2H₂O
1. 2Ca + O₂ → 2CaO
2. CaO + CO₂ → CaCO₃
3. CaCO₃ + 2HCl → CaCl₂ + CO₂↑ + H₂O
4. CaCl₂ + 2NaOH → Ca(OH)₂↓ + 2NaCl
5. Ca(OH)₂ + H₂CO₃ → CaCO₃↓ + 2H₂O
Ca(OH)₂ + 2H⁺ + CO₃²⁻ → CaCO₃↓ + 2H₂O