Question

Suggest separation technique(s) one would need to employ to separate the following mixtures. 

(a) Mercury and water 

(b) Potassium chloride and ammonium chloride 

(c) Common salt, water and sand 

(d) Kerosene oil, water and salt

Answer 1

(a) Separation by using separating funnel 

(b) Sublimation 

(c) Filtration followed by evaporation        or 

Centrifugation followed by evaporation/distillation 

(d) Separation by using separating funnel to separate kerosene oil followed by evaporation or distillation