Write the balanced chemical equation for the following reactions. (i) Calcium hydroxide + Carbon dioxide —-> Calcium carbonate + Water, (ii) Zinc + Silver nitrate —-> Zinc nitrate + Silver , (iii) Aluminium + Copper chloride —-> Aluminium chloride + Copper, (iv) Barium chloride + Potassium sulphate —-> Barium sulphate + Potassium chloride