Skip to topic
    ← Back to course topics

    Topic 7 – Rates of reaction and energy changes — Edexcel GCSE Combined Science

    Test yourself on Topic 7 – Rates of reaction and energy changes with PEARSON EDEXCEL GCSE practice questions.

    Start free

    7 days Premium · Then free forever · No card, no charge

    Your focus

    1. 7.8 Recall that enzymes are biological catalysts and that enzymes are used in the production of alcoholic drinks

    Topic 7 – Rates of reaction and energy changes exam tips