Question
Name the processes for separation in the following cases:
(i) Fine insoluble particles suspended in a liquid.
(ii) A solid substance dissolved in a liquid.
(iii) A sublimable solid mixed with other solids.
(iv) Salt from sea water.
(v) Three solid substance soluble in a mixture of solvents.
(vi) Two liquids which are completely immiscible.
(vii) Two miscible liquids having 10°C difference in their boiling points.
(viii) Mixture of nitrogen and helium gases.
Solution
(i) Centrifugation and filtration or decantation.
(ii) Evaporation or distillation or crystallization.
(iii) Sublimation.
(iv) Evaporation or crystallization.
(v) Chromatography.
(vi) Separating funnel.
(vii) Fractional distillation.
(viii) Cooling and fractional distillation.
