Chemistry 0620 · IGCSE · Rate of reaction

Rate of reaction — practice question

A student investigated the reaction of marble chips with dilute hydrochloric acid. Which changes reduce the rate of reaction?

  • Adecrease temperature of acid, decrease concentration of acid, decrease surface area of marble chips
  • Bdecrease temperature of acid, decrease concentration of acid, increase surface area of marble chips
  • Cincrease temperature of acid, decrease concentration of acid, decrease surface area of marble chips
  • Dincrease temperature of acid, increase concentration of acid, increase surface area of marble chips

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