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Cambridge IGCSE Combined Science practice

Which of the following describes an exothermic reaction?

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Show answerExothermic and endothermic reactions revisionRevise the key idea

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MCQ

Type

cambridge_mcq

Style

Topic

Exothermic and endothermic reactions

Exam-style question

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Which of the following describes an exothermic reaction?.

  1. A.It absorbs energy
  2. B.It releases energy
  3. C.It requires heat to proceed
  4. D.It has a positive energy change

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Paper 6 structured question: Exothermic and endothermic reactions

Paper 6Alternative to PracticalPractical1 marks

Method

Investigating Exothermic and Endothermic Reactions

You are required to design an experiment to investigate the energy changes in exothermic and endothermic reactions. Identify the variables involved in your experiment.

  1. a

    State Identify the independent variable in your experiment.

    Aim for approximately 1 distinct marking point.

    [1]