1. CaCO₃ --- t --> CaO + CO₂
2. CaO + 3C ---> CaC₂ + CO₂
3. CaC₂ + 2H₂O --> C₂H₂ + Ca(OH)₂
4. C₂H₂ + H₂ --> C₂H₄
5. C₂H₄ + H₂O ---> C₂H₅OH
1. CaCO₃ --- t --> CaO + CO₂
2. CaO + 3C ---> CaC₂ + CO₂
3. CaC₂ + 2H₂O --> C₂H₂ + Ca(OH)₂
4. C₂H₂ + H₂ --> C₂H₄
5. C₂H₄ + H₂O ---> C₂H₅OH