Chemistry (Combined Science) · IGCSE · Edexcel · Pearson Edexcel International GCSE Science (Double Award) — Chemistry (Modular) — 4XSD1 · Specification point · 7.7 · Physical chemistry: Part 2 · Rates of reaction
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7.7 practical: investigate the effect of changing the surface area of marble chips and of changing the concentration of hydrochloric acid on the rate of reaction between marble chips and dilute hydrochloric acid |