Multiple choice

Which process is used to obtain common salt from sea water?

  1. Filtration

  2. Decantation

  3. Evaporation

  4. Sedimentation
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Evaporation refers to the conversion of a liquid into vapor state. A mixture of sugar and water can be separated by evaporation as water can evaporate but sugar cannot. Also, common salt is separated from sea water by the same process. 

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