2. Ca→ CaO→ Ca(OH)₂→ CaCI₂
2Ca + O₂= 2CaO
CaO + H₂O= Ca(OH)₂
Ca(OH)₂ + 2HCI= CaCI₂ + 2H₂O
4. CaCO₃→ CaCI₂ →Ca₃(PO₄)₂
CaCO₃ + 2HCI= CaCI₂ + CO₂ + H₂O
3CaCI₂ + 2H₃PO₄ = Ca₃(PO₄)₂ + 6HCI↑
3. 2Na + CI₂ = 2NaCI
Na₂CO₃ + HCI = NaCI +CO₂↑ +H₂O
NaOH + HCI = NaCI +H₂O