Chemistry 5070 · O Level · Separation and purification

Separation and purification — practice question

A sample consists of two solids, X and Y, with no other substances present. Both X and Y dissolve in water. The student separates X and Y in two stages. Step 1: The student adds the mixture to a beaker of cold water and stirs it. What is step 2?

  • Achromatography
  • Bcrystallisation
  • Cdistillation
  • Dfiltration

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