Question

Which separation techniques will you apply for the separation of the following ?


A.) Sodium chloride from its solution in water.

B.) Ammonium Chloride from a mixture containing sodium chloride and Ammonium chloride.

C.) Small pieces of metal in the engine oil of a car.

D.) Different pigments from an extract of the flower petals .

E.) Butter from curd.

F.) Oil from water.

G.) Tea leaves from tea.

H.) Iron pins from sand.

I.) Wheat grains from husk.

J.) Fine mud particles suspended vin water.​

Answer 1

(1) Sodium chloride from its solution in water.

(2) Ammonium chloride from a mixture containing sodium chloride and ammonium chloride.

(3) Small pieces of metal in the engine oil of a car.

The pigments from an extract of flower petal can be separated out by the process of chromatography. Chromatography is a technique of separation of substances which are very close in their molecular weight but differ in their molecular sizes