Chemistry 0620 · IGCSE · Extraction of metals

Extraction of metals — practice question

Cars are equipped with catalytic converters. Which equation shows a reaction that occurs in a catalytic converter?

  • A$\text{CO}_2 + \text{NO}_2 \rightarrow \text{CO} + \text{NO} + \text{O}_2$
  • B$2\text{CO} + 2\text{NO} \rightarrow 2\text{CO}_2 + \text{N}_2$
  • C$\text{CO}_2 + \text{N}_2 \rightarrow \text{C} + 2\text{NO}$
  • D$\text{C} + \text{NO}_2 \rightarrow \text{CO} + \text{NO}$

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