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(ii) Name the technique used by the child.

               (iii) Suggest one more application of this technique.                               [  A+Av ] (3mark)


               Q.9  You are provided with a mixture containing sand, iron filings, ammonium chloride
               and sodium chloride. Describe the procedures you would use to separate these
               constituents from the mixture?    [  A+Av ] (3mark)

               Q.10 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 difference in boiling points.
               (c) Two immiscible liquids.

               (d) One of the components changes directly from solid to gaseous state.

               (e) Two or more coloured constituents soluble in some solvent.
               [  A+Av ] (5mark)


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