Write down the formulae of (i) aluminium hydroxide, (ii) hydrogen sulphide (iii) ammonium sulphate, (iv) sodium carbonate (v) calcium phosphate, (vi) potassium chromate.

Write the chemical formulae of (i) Barium chloride (ii) Magnesium sulphate (iii) Sodium sulphate (iv) Ammonium nitrate (v) Calcium phosphate (vi) Potassium dichromat

Write down the formulae of (i) sodium oxide (ii) aluminium chloride (iii) sodium sulphide (iv) magnesium hydroxide

Write down the formulae of (i) sodium oxide (ii) aluminium chloride (iii) sodium sulphide (iv) magnesium hydroxide

Write the chemical formulae of () sodium carbonate (ii) calcium sulphate?

Write the molecular formulae of compounds calcium oxide, hydrogen sulphide, carbon monoxide and lead sulphide.

The valency of sodium is one. Write the molecular formula for the following compounds of sodium (a) sodium oxide (b) sodium sulphate (c) sodium carbonate (d) sodium hydroxide (e) sodium nitrate