Chemistry 0620 · IGCSE · Separation and purification

Separation and purification — practice question

Copper(II) sulfate is made by adding excess copper(II) oxide to warm dilute sulfuric acid. Which purification methods are needed to obtain pure solid copper(II) sulfate from the reaction mixture?

  • A1 and 4
  • B1 and 2
  • C2 and 3
  • D3 and 4

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