question_answer

   (i) A mixture is prepared by mixing two liquids A and B. Which property will be used to  separate them by the process of distillation? (ii) Name the process for separating the component of a mixture containing sand, salt and ammonium chloride.

Answer:

                  (i) Difference in their boiling points          (1/2) (ii) (a) Sublimation to remove (b) Dissolution in water of remaining mixture (c) Filtration to remove sand (d) Evaporation of filtrate to get salt         (1/2)