Chemistry (Combined Science) · IGCSE · Edexcel · Pearson Edexcel International GCSE Science (Double Award) — Chemistry (Linear) — 4SD0 · Specification point · 1.25 · Principles of chemistry · Chemical formulae, equations and calculations
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| Students should: |
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1.25 write word equations and balanced chemical equations (including state symbols): • for reactions studied in this specification • for unfamiliar reactions where suitable information is provided |