Out of Ca2+ , Al3+ , Bi3+ , Mg2+ , Fe3+ and Zn2+ the reagents NH4Cl and aqueous NH3 will precipitate
Al+3 and Fe+3 ions will precipitate as coresponding hydroxide when NH4OH and NH4Cl is added
Group III cations (Al+3, Cr+3, Fe+3) are precipitated as hydroxides by NH4Cl with NH4OH.