1) Ca + 2H₂O = Ca(OH)₂ + H₂
2) Ca(OH)₂ + Na₂CO₃ = CaCO₃ + 2NaOH
3) CaCO₃ = CaO + CO₂
4) CaO + H₂O = Ca(OH)₂
5) Ca(OH)₂ + 2HCl = CaCl₂ + 2H₂O
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Verified answer
1) Ca + 2H₂O = Ca(OH)₂ + H₂
2) Ca(OH)₂ + Na₂CO₃ = CaCO₃ + 2NaOH
3) CaCO₃ = CaO + CO₂
4) CaO + H₂O = Ca(OH)₂
5) Ca(OH)₂ + 2HCl = CaCl₂ + 2H₂O