Question

Which separation techniques will you apply for the separation of the following ?
A) Butter from curd
B) Oil from water
C) Acetone and water
D) Different pigments from an extract of flowers
E) Ammonium chloride from a mixture containing sodium chloride & ammonium Chloride​

Answer 1

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a.) Butter can be isolated from curd by the centrifugation method. The mixture of oil and water can be separated by using separating funnel technique.

b)The mixture of oil and water can be separated by using separating funnel technique. The mechanism involves taking advantage of the unequal density of the particles in the mixture.

c) The mixture of water and acetone is separated by a process called Fractional Distillation. Fraction Distillation is a process of heating a mixture of two liquids which have a difference in their boiling points. The liquid which has less boiling point turns into vapours and the other liquid is left back.

d) Using chromatography technique different pigments from an extract of flower petals.

E)By sublimation process, ammonium chloride can be obtained as sublime from the mixture which contains sodium chloride and ammonium chloride. Small pieces of metal in the engine oil of a car may be separated by the filtration process using an appropriate filter.

Explanation: