(1). 2Al(NO[SUB]3[/SUB])[SUB]3[/SUB] + 3K[SUB]2[/SUB]CO[SUB]3[/SUB] + 3H[SUB]2[/SUB]O --> 6KNO[SUB]3[/SUB] + 2Al(OH)[SUB]3[/SUB] + 3CO[SUB]2[/SUB]
(2). 2AlCl[SUB]3[/SUB] + 3K[SUB]2[/SUB]S + 6H[SUB]2[/SUB]O --> 6KCl + 2Al(OH)[SUB]3[/SUB] + 3H[SUB]2[/SUB]S
(3) 3NaHCO[SUB]3[/SUB] + FeCl[SUB]3[/SUB] + 3H[SUB]2[/SUB]O --> 3NaCl + Fe(OH)[SUB]3[/SUB] + 3CO[SUB]2[/SUB]
(4) 3CH[SUB]3[/SUB]COONa + FeCl[SUB]3[/SUB] + 3H[SUB]2[/SUB]O --> 3NaCl + Fe(OH)[SUB]3[/SUB] + 3CH[SUB]3[/SUB]COOH
(5) 4NH[SUB]4[/SUB]Cl + 2Na[SUB]2[/SUB]ZnO[SUB]2[/SUB] --> 4NaCl + [Zn(NH[SUB]3[/SUB])[SUB]4[/SUB]](OH)[SUB]2[/SUB] + 2H[SUB]2[/SUB]O
(6) Na[SUB]2[/SUB]S + 2NH[SUB]4[/SUB]Cl --> 2NaCl + 2NH[SUB]3[/SUB] + H[SUB]2[/SUB]S
(7) NaHSO[SUB]4[/SUB] + NaHCO[SUB]3[/SUB] --> Na[SUB]2[/SUB]SO[SUB]4[/SUB] + CO[SUB]2[/SUB] + H[SUB]2[/SUB]O
(8) NH[SUB]4[/SUB]Cl + NaAlO[SUB]2[/SUB] + H[SUB]2[/SUB]O --> NaCl + Al(OH)[SUB]3[/SUB] + NH[SUB]3[/SUB]
