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Q:

Which of the following will not be helpful in the process of separating a mixture of salt and water?

  • 1
    Decantation
  • 2
    Filteration
  • 3
    Distillation
  • 4
    Boiling
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Answer : 1. "Decantation"
Explanation :

Distillation, Boiling and Filteration (reverse osmosis) are helpful to separate the mixture of salt and water. Decantation only separates insoluble solids that settle on the bottom; thus, it cannot be used to separate a mixture of salt and water.

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