Sulphur is soluble in ethanol but not in water while sodium chloride is soluble in water but not in ethanol. Describe how you will separate sodium chloride from a mixture of sulphur and sodium chloride. – NABTEB QUESTION

Add water to the mixture in order to dissolve the sodium chloride. Filter to obtain the sodium chloride as the filtrate.

Evaporate the filtrate and the sodium Chloride solid is left behind in the evaporation dish. Put the sulphur residue in a filter paper and allow to dry.

Alternative method

Add ethanol to the mixture to dissolve the sulphur. Filter to obtain the sulphur as filtrated, expose filtrate to air for sometime/heat it below 50°C in order to evaporate the ethanol. Wash the sulphur with water and spread on filter paper to dry.