Răspuns:
5.
Oxizi: SO₂, CaO, SiO₂, Na₂O, CO
Acizi: H₂SO₄, H₃PO₄, HNO₃, HCl
Baze: NaOH, KOH, Cu(OH)₂, Fe(OH)₂, NH₃
Săruri: NaCl, BaSO₄, CuSO₄, AgNO₃, K₂S
6.
2Mg + O₂ → 2MgO
MgO + H₂O → Mg(OH)₂
Mg(OH)₂ + 2HCl → MgCl₂ + 2H₂O
-Mihai
