Key term for Edexcel GCSE Chemistry, used in Hydrocarbons.
The process of a coloured solution losing its colour due to a chemical reaction, such as bromine water turning colourless in the presence of an alkene.
Decolourisation appears in Edexcel GCSE Chemistry revision content for Qualitative Analysis, Hydrocarbons and Polymers, especially Hydrocarbons and Addition Reactions.
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