Sodium Hydroxide Solution Added First Quantity Excess Aqueous Solutions Copper Sulphate

Sodium hydroxide solution is added first in a small quantity, then in excess to the aqueous salt solutions of … ) Iron (III)…

Aqueous salt solution Colour of precipitate when NaOH is added in a small quantity. Nature of precipitate (soluble or insoluble) when NaOH is added in excess.
Copper (II) sulphate Blue Insoluble
Zinc nitrate White Soluble
Lead nitrate White Soluble
Calcium chloride White Insoluble
Iron (El) sulphate Reddish Brown Insoluble