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Question

Which amongst the following separation techniques can be used to seperate salt from seawater?
  1. Sedimentation
  2. Evaporation
  3. Filtration
  4. Decantation


Solution

The correct option is B Evaporation
Salt can be separated from seawater by the process of evaporation. This can be done by heating it so that the water evaporates and the salt is left behind. Seawater contains a large amount of salt dissolved in it. Near the sea-shore, the sea water is collected in shallow pits and allowed to evaporate in the sunshine to separate this salt. 

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