Chemistry 0620 · IGCSE · Preparation of salts

Preparation of salts — practice question

A procedure for making copper(II) sulfate crystals is illustrated.

  • Astep 3: to ensure all of the acid has reacted; step 4: to obtain solid copper(II) sulfate
  • Bstep 3: to ensure all of the acid has reacted; step 4: to remove the excess of copper(II) oxide
  • Cstep 3: to speed up the reaction; step 4: to obtain solid copper(II) sulfate
  • Dstep 3: to speed up the reaction; step 4: to remove the excess of copper(II) oxide

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