Name the technique to separate

(ii) salt from sea-water,

 

Answer

 

(ii) Salt from sea-water - Crystallization

  • It is a process that separates pure solid from an impure solution in the form of crystals.
  • In this case, sea water is heated in an open container. Then it is left to cool .
  • After some time, pure salt is obtained in the form of crystals .

 

Or simple Evaporation may also be used.

  • Sea water is left in an open pit / container for evaporation
  • When the water evaporates , pure salt is left behind in the container
  • Hence salt is separated from sea-water.
  1. Class 9
  2. Chapter 2 Class 9 - Is Matter Around Us Pure

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.