Chemistry 0620 · IGCSE · Redox

Redox — practice question

When copper(II) carbonate is heated, copper(II) oxide and carbon dioxide are formed. If the copper(II) oxide produced is then heated with carbon, copper is obtained. Which processes are involved in this conversion of copper(II) carbonate to copper?

  • Asublimation followed by oxidation
  • Bsublimation followed by reduction
  • Cthermal decomposition followed by oxidation
  • Dthermal decomposition followed by reduction

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