Chemistry (Combined Science) · IGCSE · Edexcel · Pearson Edexcel International GCSE Science (Double Award) — Chemistry (Linear) — 4SD0 · Specification point · 3.12 · Physical chemistry · Rates of reaction
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| Students should: |
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3.12 know that a catalyst is a substance that increases the rate of a reaction, but is chemically unchanged at the end of the reaction |