Chemistry 0620 · IGCSE · Rate of reaction

Rate of reaction — practice question

Solid calcium carbonate is reacted with dilute hydrochloric acid. Which changes in the reaction conditions would increase the rate of reaction?

  • Adecrease concentration of hydrochloric acid, decrease surface area of calcium carbonate
  • Bdecrease concentration of hydrochloric acid, increase surface area of calcium carbonate
  • Cincrease concentration of hydrochloric acid, decrease surface area of calcium carbonate
  • Dincrease concentration of hydrochloric acid, increase surface area of calcium carbonate

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