Naoh+hci-> baci2+h2so4-> koh+aici3-> hbr+zn(oh)2-> koh+aici3-> baci2+agno3->

NaOH+HCl→ NaCl+H2O
BaCl2+H2SO4→BaSO4+2HCl
3KOH+AlCl3→Al(OH)3+3KCl
2HBr+Zn(OH)2→ ZnBr2+2H2O
BaCl2+2AgNO3→2AgCl↓+Ba(NO3)2

NaOH+HCI->NaCl +H2O BaCI2+H2SO4->BaSO4+2HCl 3KOH+AICI3->3KCl+Al(OH)3 2HBr+Zn(OH)2->ZnBr2+2H2O BaCI2+2AgNO3->Ba(NO3)2+2AgCl