Chemistry 0620 · IGCSE · Extraction of metals

Extraction of metals — practice question

During the extraction of iron from hematite, Coke (carbon) and limestone are both raw materials. When each one is heated in the process, which type of reaction takes place?

  • Acoke: redox; limestone: redox
  • Bcoke: redox; limestone: thermal decomposition
  • Ccoke: thermal decomposition; limestone: redox
  • Dcoke: thermal decomposition; limestone: thermal decomposition

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