Chemistry 0620 · IGCSE · Separation and purification

Separation and purification — practice question

Copper(II) chloride crystals are produced by adding solid copper(II) carbonate to dilute hydrochloric acid until no further solid dissolves. Which process is used to obtain pure copper(II) chloride crystals from the mixture?

  • Adistillation of the mixture
  • Bevaporation of the mixture
  • Cfiltration followed by drying of the residue
  • Dfiltration followed by evaporation of the filtrate

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