1. 2CO + O₂ = 2CO₂
2. CO₂ + H₂O = H₂CO₃
3. H₂CO₃ =t= H₂O + CO₂
4. CO₂ + CaO = CaCO₃
5. CaCO₃ =t= CaO + CO₂
1. 2CO + O₂ = 2CO₂
2. CO₂ + H₂O = H₂CO₃
3. H₂CO₃ =t= H₂O + CO₂
4. CO₂ + CaO = CaCO₃
5. CaCO₃ =t= CaO + CO₂