Chemistry 0620 · IGCSE · Physical and chemical changes

Physical and chemical changes — practice question

Hydrated copper(II) sulfate is blue. On heating, it produces white anhydrous copper(II) sulfate. How can a sample of anhydrous copper(II) sulfate be converted into hydrated copper(II) sulfate?

  • AWater is added.
  • BIt is cooled down.
  • CIt is heated up.
  • DWater is removed.

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