Chemistry 0620 · IGCSE · Separation and purification

Separation and purification — practice question

A student is provided with a mixture containing barium sulfate, copper(II) sulfate and water. The table gives details about barium sulfate and copper(II) sulfate. How does the student obtain copper(II) sulfate crystals from the mixture?

  • Acrystallisation followed by distillation
  • Bcrystallisation followed by filtration
  • Cdistillation followed by crystallisation
  • Dfiltration followed by crystallisation

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