2CH₄ + 4O₂ -> 2CO₂ + 4H₂O
2CO₂ + 2NaOH -> Na₂CO₃ + H₂O
Na₂CO₃ + HCl -> NaHCO₃ + NaCl
Ca(HCO₃)₂ -> CaCO₃ + CO₂ + H₂O
CaCO₃ -> CaO + CO₂
CaO + 2HCl -> CaCl₂ + H₂O
2CH₄ + 4O₂ -> 2CO₂ + 4H₂O
2CO₂ + 2NaOH -> Na₂CO₃ + H₂O
Na₂CO₃ + HCl -> NaHCO₃ + NaCl
Ca(HCO₃)₂ -> CaCO₃ + CO₂ + H₂O
CaCO₃ -> CaO + CO₂
CaO + 2HCl -> CaCl₂ + H₂O