Question

How do you obtain pure sodium chloride from a crude sample?

Answer 1

By the process of fractional distillation or filtration, evaporation.

Answer 2

HLO MATE HERE IS UR ANSWER.

⭐. Crude sodium chloride , contains sodiun sulphate , calcium sulphate, calcium chloride and magnesium chloride as impurities.

⭐. First the crude sodium chloride is dissolved in minimum amount of water and filtered to remove insoluble impurities.

⭐. Now hydrogen chloride gas is passed into the saturated solution of sodium chloride .

⭐. Then pure sodium chloride crystallises out.