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  • Which separation techniques will you apply for the separation of the following? (a) Sodium chloride from its solution in water

Q 1.     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.

Answers (1)

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The following separation techniques are used to separate-

  1. Sodium chloride from its solution in water. by Evaporation method
  2. Ammonium chloride from a mixture containing sodium chloride and ammonium chloride. by Sublimation
  3.  Small pieces of metal in the engine oil of a car. By filtration.
  4.  Different pigments from an extract of flower petals.  by chromatography
  5.  Butter from curd. by centrifugation
  6. Oil from water. by separation funnel
  7.  Tea leaves from tea. by filtration
  8. Iron pins from sand.  by magnetic separation
  9. Wheat grains from husk. by winnowing or sedimentation
  10.  Fine mud particles suspended in water. By decantation and filtration.

 

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