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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 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 in water.


Answer :

(a) Evaporation is used to separate sodium chloride from its solution in water.

(b) Sublimation is used to separate ammonium chloride from a mixture containing sodium chloride and ammonium chloride.

(c) Filtration is used to separate small pieces of metal in the engine oil of a car.

(d) Chromatography is used to separate different pigments from an extract of flower petals.

(e) Centrifugation is used to separate butter from curd.

(f) Separating funnel is used to separate oil from water.

(g) Filtration is used to separate tea leaves from tea.

(h) Magnetic separation is used to separate iron pins from sand.

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