Key term for AQA GCSE Chemistry, used in Gas Tests.
Blue litmus paper moistened with water to allow gases to dissolve, enabling a chemical reaction and colour change.
Damp blue litmus paper appears in AQA GCSE Chemistry revision content for Chemical analysis, especially Gas Tests and Test for Chlorine.
Create a free account to access AQA GCSE Chemistry revision notes, track progress, and practise related key terms.
