Chemistry 0620 · IGCSE · Separation and purification

Separation and purification — practice question

Zinc sulfate is produced by allowing an excess of zinc oxide to react with dilute sulfuric acid. The unreacted zinc oxide is then filtered off from the solution. Which process is used to obtain solid zinc sulfate from the solution?

  • Acrystallisation
  • Bdissolving
  • Cfiltration
  • Dfractional distillation

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