Key term for Edexcel GCSE Chemistry, used in Qualitative Analysis: Tests for Ions.
An indicator used to test for ammonia gas; it turns from red to blue in the presence of an alkali.
Damp red litmus paper appears in Edexcel GCSE Chemistry revision content for Qualitative Analysis, Hydrocarbons and Polymers, especially Qualitative Analysis: Tests for Ions and Unknown Salt Identification.
Qualitative Analysis, Hydrocarbons and Polymers
Unknown Salt Identification
Qualitative Analysis, Hydrocarbons and Polymers
Test for Ammonia
Qualitative Analysis, Hydrocarbons and Polymers
Hydroxide Precipitate Tests
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