Chemistry 0620 · IGCSE · Physical and chemical changes

Physical and chemical changes — practice question

When blue hydrated copper(II) sulfate is heated, it forms a white solid. If water is then added, the solid becomes blue again. Which term describes the reaction of hydrated copper(II) sulfate?

  • Aneutralisation
  • Boxidation
  • Creduction
  • Dreversible

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