1.(NH4)2CO3 + CaCl2 = CaCO3↓ + 2NH4Cl
2. CaCO3 = CaO + CO2
3. CaO + H2O = Ca(OH)2
4. Ca(OH)2 + CO = CaCO3 + H2
1.(NH4)2CO3 + CaCl2 = CaCO3↓ + 2NH4Cl
2. CaCO3 = CaO + CO2
3. CaO + H2O = Ca(OH)2
4. Ca(OH)2 + CO = CaCO3 + H2