Question

дам 20 баллов!!!!!!!!​

Answer 1

1) Сa + O₂ = 2CaO

   CaO + H₂O = Ca(OH)₂

   Ca(OH)₂ + 2HCl = CaCl₂ + 2H₂O

2) Mg + 2HCl = MgCl₂ + H₂↑

    MgCl₂ + 2NaOH = Mg(OH)₂ + 2NaCl

    Mg(OH)₂ + H₂SO₄ = MgSO₄ + 2H₂O