Chemistry 0620 · IGCSE · Separation and purification

Separation and purification — practice question

A mixture consists of sand and an aqueous solution of sodium chloride. Which processes are used to obtain a sample of solid sand and a sample of solid sodium chloride from the mixture?

  • Acrystallisation followed by filtration
  • Bevaporation followed by filtration
  • Cfiltration followed by crystallisation
  • Dsimple distillation followed by crystallisation

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