Chemistry 0620 · IGCSE · Separation and purification

Separation and purification — practice question

Copper(II) sulfate is made by reacting excess copper(II) oxide with warm dilute sulfuric acid. Which purification method is used 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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