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Cambridge IGCSE Combined Science practice

What happens to the rate of reaction when the temperature is increased?

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MCQ

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cambridge_mcq

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Topic

Rate of reaction

Exam-style question

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What happens to the rate of reaction when the temperature is increased?.

  1. A.It decreases
  2. B.It stays the same
  3. C.It increases
  4. D.It becomes unpredictable

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Paper 3 structured question: Rate of reaction

Paper 3Theory (Core)2 marks

Description

Reaction of Hydrochloric Acid and Calcium Carbonate

When hydrochloric acid reacts with calcium carbonate, carbon dioxide gas is produced along with calcium chloride and water. The reaction can be affected by various factors such as concentration, temperature, and surface area of calcium carbonate.

  1. a

    Explain how increasing the concentration of hydrochloric acid affects the rate of reaction with calcium carbonate.

    Aim for approximately 2 distinct marking points.

    [2]