Derive the formula of the following compounds.
(a) Ammonium nitrate
(b) Ferrous sulphate

Describe the action of heat on the following compounds : (a) Ammonium nitrate (b) Ammonium nitrite ( c) Ammonium chloride. (d) Ammonium dichromate ( e) Orthophosphoric acid (f) Phosphrous acid (g) Hypophosphorous acid (h) Copper nitrate.

Write formulas for the following compounds (a) Mercury (II) chloride (b) Nickel (II) sulphate (c) Tin (IV) oxide (d) Thallium (I) sulphate (e) Iron (III) sulphate (f) Chromium (III) oxide

Write formula for the following compounds : (i) Mercury (II) chloride (ii) Nickel (II) sulphate (iii) Iron (III) sulphate (iv) Chromium (III) oxide

Write the chemical formula of the following substances : (a) Sodium sulphate (b) Sulphur trioxide (c) Barium nitrate (d) Calcium oxide

Write formulas for the following compounds: a. Mercury (II) chloride b. Nickel (II) sulphate c. Tin (IV) oxide d. Thallium (I) sulphate e. Iron (III) sulphate f. Chromium (III) oxide

Write the chemical formula of the following : (a) Calcium chloride (b) Aluminium nitrate