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Cambridge IGCSE Combined Science practice

What effect does increasing the temperature have on the rate of a chemical reaction?

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Show answerRate of reaction revisionRevise the key idea

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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 effect does increasing the temperature have on the rate of a chemical reaction?.

  1. A.Decreases the rate
  2. B.Increases the rate
  3. C.No effect
  4. D.Stops the reaction

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Paper 4 structured question: Rate of reaction

Paper 4Theory (Extended)3 marks

Description

Reaction of Hydrochloric Acid and Magnesium

When magnesium reacts with hydrochloric acid, hydrogen gas is produced. The rate of this reaction can be affected by various factors such as concentration and temperature.

  1. a

    Analyse Discuss how increasing the concentration of hydrochloric acid affects the rate of reaction with magnesium.

    Aim for approximately 3 distinct marking points.

    [3]