Răspuns:
Oxizi: SO₂, CO, MgO, P₂O₅, CuO
Baze: Fe(OH)₃, Ca(OH)₂, NaOH, Zn(OH)₂, Al(OH)₃
Acizi: H₂SO₄, H₃PO₄, H₂S, HCl, HNO₃
Săruri: ZnCl₂, AgNO₃, CaCO₃, CuSO₄
-Mihai