Key term for Edexcel GCSE Chemistry, used in Qualitative Analysis: Tests for Ions.
An acid used to acidify samples before the silver nitrate test to remove interfering ions without introducing chloride.
Nitric acid appears in Edexcel GCSE Chemistry revision content for Qualitative Analysis, Hydrocarbons and Polymers, especially Qualitative Analysis: Tests for Ions and Unknown Salt Identification.
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