Multiple choice

Sodium chloride can be separated from sand by first adding water to the mixture to dissolve the sodium chloride. The separation then takes place in two stages, which are

  1. filtration followed by decantation

  2. distillation followed by decantation

  3. filtration followed by evaporation

  4. evaporation followed by filtration
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Firstly, sand is separated from the mixture by filtration. Then, by evaporation, water gets evaporated and sodium chloride is left behind.

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