Flash Education

Question

Which separation techniques will 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.

is matter around us pure CBSE Class 9

August 20, 2024

Answer

(a) Crystallization or Evaporation.

(b) Sublimation.

(c) Centrifugation or Sedimentation.

(d) Chromatography.

(e) Centrifugation.

(f) Separating funnel.

(g) Hand-picking.

(h) Magnetic separation.

(i) Winnowing.

(j) Centrifugation.

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