Chemistry (Combined Science) · IGCSE · Edexcel · Pearson Edexcel International GCSE Science (Double Award) — Chemistry (Linear) — 4SD0 · Specification point · 2.46 · Inorganic chemistry · Chemical tests
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2.46 know the colours formed in flame tests for these cations: • Li⁺ is red • Na⁺ is yellow • K⁺ is lilac • Ca²⁺ is orange-red • Cu²⁺ is blue-green |