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This lesson covers the required practical on identifying ions in unknown substances, as specified in the AQA GCSE Chemistry specification (8.1.2). You need to be able to plan and carry out a series of tests to identify both the cation (positive ion) and the anion (negative ion) in an unknown ionic compound. This brings together flame tests, NaOH precipitate tests, and anion tests into a systematic analytical procedure.
In this required practical, you are given one or more unknown ionic compounds and must identify them by carrying out a series of chemical tests. You will test for:
To identify the ions present in unknown ionic compounds using a systematic series of chemical tests.
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