Chemistry 0620 · IGCSE · Rate of reaction

Rate of reaction — practice question

Magnesium is allowed to react with dilute hydrochloric acid. The table gives the total volume of hydrogen produced at intervals of 15 seconds. In which time interval is the reaction rate greatest?

  • A$0-30$ seconds
  • B$30-60$ seconds
  • C$60-90$ seconds
  • D$90-120$ seconds

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