Question

Suggest a suitable technique to separate the constituent of the following mixture. Also give the reason for selecting the particular method. Ammonium chloride from sand Chalk powder from water Iron from sulphur Water and alcohol Sodium chloride and potassium nitrate Calcium carbonate and sodium chloride

Answer 1

chalk powder and ammonium chloride can be separated by the technique of sublimation as ammonium chloride is a sublime but chalk powder is not si ammonium chloride will sublimize on heating but the chalk powder will not .