NaOH+HCI-> BaCI2+H2SO4-> KOH+AICI3-> HBr+Zn(OH)2-> KOH+AICI3-> BaCI2+AgNO3->
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
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