Dyeing three colours from the same dye bath

Four different coloured fabric swatches, including yellow, red, green and blue

Source: © Shutterstock

Show how dyeing involves chemical interactions between dyes and the molecular nature of different fibres in this demonstration. Includes kit list and safety instructions.

In this experiment, students observe as samples of different fabrics are placed in a single dye bath containing three dyes – one blue, one yellow and one red.

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