Write the chemical formula of 1) calcium sulphate
2)Alumunium phosphate
3)Aluminium sulphate

Write the chemical formula of the following compounds

(a) Calcium oxide (b) Calcium Hydroxide (c) Aluminium Sulphate

Write the chemical formula of the sulphate of Aluminium, Ammonium and Zinc.

Write the balanced chemical equations for the following reactions.

(a) Calcium hydroxide + Carbon dioxide → Calcium carbonate + Water

(b) Zinc + Silver nitrate → Zinc nitrate + Silver

(c) Aluminium + Copper chloride → Aluminium chloride + Copper

(d) Barium chloride + Potassium sulphate → Barium sulphate +

Potassium chloride