Question

(a) Separation of a mixture containing water and kerosene can be done by
use of ________ (distillation , separating funnel)
(b) ________ (sublimation, chromatography) process is used to separate
common salt and ammonium chloride.

TNSCERT Class 9 General Science Ch3 Is Matter Around us Pure

Answer 1

(a) Separation of a mixture containing water and kerosene can be done by use of separating funnel
(b) sublimation process is used to separate common salt and ammonium chloride. 

Answer 2

(a) Separation of a mixture containing water and kerosene can be done by use of separating funnel where mixtures of liquids can be separated according to their properties. The technique used depends on whether the liquids dissolve in each other, and so are miscible, or if they are immiscible.
given in  picture.. first

(b) sublimation process is used to separate common salt and ammonium chloride. 

given in second image