Exam (elaborations)
AQA GCSE CHEMISTRY Higher Tier Paper 2 2020.
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GCSE CHEMISTRY Higher Tier Paper 2 H 2 *02* IB/M/Jun20/8462/2H Do not write outside the box 0 1 This question is about chemical analysis. A student tested copper sulfate solution and calcium iodide solution using flame tests. This is the method used. 1. Dip a metal wire in copper sul...
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