Write the formulae of the given salts as ‘ potassium sulphate, sodium sulphate, calcium sulphate,

Write the formulae of the given salts as ‘ potassium sulphate, sodium sulphate, calcium sulphate, magnesium sulphate, copper sulphate, sodium chloride, sodium nitrate, sodium carbonate, ammonium chloride and magnesium chloride.
Identify the acids and bases from which the above salts may be obtained. How many families can you identify among these salts?

The formulae of the given salts; and the acids and bases from which these salts may be obtained are given in the following table: