Chemistry 0620 · IGCSE · Rate of reaction

Rate of reaction — practice question

An investigation was conducted to determine the rate of reaction when 1 g of solid X reacts with $100\,\text{cm}^3$ of solution Y. The reaction happened too quickly for measurements to be taken. What change could be made to reduce the reaction rate?

  • Aadd a catalyst
  • Bdecrease the concentration of solution Y
  • Cdecrease the particle size of solid X
  • Dincrease the temperature

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