Răspuns :
acizi: H2SO4, HCl, HCN, HNO3
baze: NaOH, KOH, Cu(OH)2
saruri: NaCl, KCl, CuSO4
oxizi: MgO, CO2, CO, SO2
baze: NaOH, KOH, Cu(OH)2
saruri: NaCl, KCl, CuSO4
oxizi: MgO, CO2, CO, SO2