The salt which will not react with NH4OH solution is NH4Cl
Action of Alkalis — on oxides and hydroxides of certain metals
Zinc oxide | ZnO + NaOH ⟶ ____ + ____ |
Zinc hydroxide | Zn(OH)2 + NaOH ⟶ ____ + ____ |
Lead [II] oxide | PbO + NaOH ⟶ ____ + ____ |
Lead hydroxide | Pb(OH)2 + NaOH ⟶ ____ + ____ |
Aluminium oxide | Al2O3 + NaOH ⟶ ____ + ____ |
Aluminium hydroxide | Al(OH)3 + KOH ⟶ ____ + ____ |