Chem test

White pp, soluble in excess, giving a colorless solution and white pp, insoluble in excess

Effect of adding aqueous sodium hydroxide and aqueous ammonia to aluminum

Ammonia is produced on warming and -

Effect of adding aqueous sodium hydroxide and aqueous ammonia to ammonium

White pp, insoluble in excess and no pp, or very slight white pp

Effect of adding aqueous sodium hydroxide and aqueous ammonia to calcium

Green pp, soluble in excess and green pp, insoluble in excess

Effect of adding aqueous sodium hydroxide and aqueous ammonia to chromium

Light blue pp, insoluble in excess and light blue pp, soluble in excess to give a dark blue solution

Effect of adding aqueous sodium hydroxide and aqueous ammonia to copper(II)

Green pp, insoluble in excess, pp turn brown near surface on standing and green pp, insoluble in excess, pp turn brown near surface on standing

Effect of adding aqueous sodium hydroxide and aqueous ammonia to iron(II)

Red-brown pp, insoluble in excess and red-brown pp, insoluble in excess

Effect of adding aqueous sodium hydroxide and aqueous ammonia to iron(III)

White pp, soluble in excess, giving a colorless solution and white pp, soluble in excess, giving a colorless solution

Effect of adding aqueous sodium hydroxide and aqueous ammonia to zinc