Ca→CaO→Ca(OH)₂
↓
CaCI₂
2Ca+O₂=2CaO
CaO+H₂O=Ca(OH)₂
CaO+2HCI=CaCI₂+H₂O
Na₂O→NaOH→Na₂CO₃
↓ ↓
→ NaNO₃ ←
Na₂O+H₂O=2NaOH
2NaOH+H₂CO₃=Na₂CO₃+2H₂O
Na₂O+2HNO₃=2NaNO₃+H₂O
Na₂CO₃+2HNO₃=2NaNO₃+CO₂↑+H₂O
Ca→CaO→Ca(OH)₂
↓
CaCI₂
2Ca+O₂=2CaO
CaO+H₂O=Ca(OH)₂
CaO+2HCI=CaCI₂+H₂O
Na₂O→NaOH→Na₂CO₃
↓ ↓
→ NaNO₃ ←
Na₂O+H₂O=2NaOH
2NaOH+H₂CO₃=Na₂CO₃+2H₂O
Na₂O+2HNO₃=2NaNO₃+H₂O
Na₂CO₃+2HNO₃=2NaNO₃+CO₂↑+H₂O