Question

Помогите с 3 упражнением

Answer 1

1)Ca + 2H2O = Ca(OH)2 + H2
2)Ca(OH)2 + CO2= CaCO3 + H2O
3)CaCO3 => t° CaO + CO2
4)CaO + H2O = Ca(OH)2
5)Ca(OH)2 + 2HCl = CaCl2. + 2H2O