1.

A mixture contains camphor powder, sand, iron powder and common salt, Identify the separation methods that are employed to separate the constituetns from the mixture.

Answer»

MAGNET separation, sublimation, ADDITION of WATER followed by FILTRATION, evaporation.
Handpicking, sieving, addition of water followed by filtration, evaporation.
Magnet separation, sieving,addition of water followed by filtration, evaporation
Magnet separation, sublimation, sedimentation and decantation, evaporation.

Solution :Iron powder is separated by using magnet. Camphor powder is separated by sublimation. Water is added to the remaining mixture. Sand being insoluble in water, it can be separated by filtration. Common salt from water is separated by evaporation. Hence, the correct OPTION is (a).


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