Which separation techniques will you apply for the separation of the following? [5 MARKS]

(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.

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Solution

Name : 0.5 Mark each

(a) Sodium chloride from its solution in water. - Evaporation

(b) Ammonium chloride from a mixture containing sodium chloride and ammonium chloride. - Sublimation

(c) Small pieces of metal in the engine oil of a car. - Filtration

(d) Different pigments from an extract of flower petals. - Chromatography

(e) Butter from curd. - Centrifugation

(f) Oil from water. - Separating Funnel

(g) Tea leaves from tea. - Filtration

(h) Iron pins from sand. - Magnetic Separation

(i) Wheat grains from husk. - Winnowing

(j) Fine mud particles suspended in water. - Sedimentation →Loading →Filtration

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Similar questions

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.

(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.

Suggest a suitable technique to separate the constituents of the following mixtures. Also give the reason for selecting the particular method.

(a) Salt from sea water

(b)Ammonium chloride from sand

(c)Chalk powder from water

(d)Iron from sulphur

(e)Water and alcohol

(f)Sodium chloride and potassium nitrate

(g)Calcium carbonate and sodium chloride.

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