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Give an example, each for the mixture having the following characteristics. Suggest a suitable method to separate the components of these mixtures (a) A volatile and a non-volatile component. (b) Two volatile components with appreciable differences in boiling points. (c) Two immiscible liquids. (d) One of the components changes directly from a solid to a gaseous state. Two or more coloured constituents soluble in some solvent.

ScienceClass 9CBSEAnswered 27 Mar 2026
Answer
  • Solution:
  • Mixture of acetone and It can be separated by distillation.
  • Mixture of petrol and It can be separated by distillation.
  • Mixture of oil and It can be separated by fractional distillation.
  • Mixture of naphthalene and ammonium Separating naphthalene by filtration and then separation of ammonium chloride from water by evaporation.
  • Mixture of pigments from a flower petal It can be separated by chromatography.
Science · Class 9