Question

What is "Dye"? Write the name of one plant each used
to colour cloths and hairs.
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Answer 1

Dye is a natural or synthetic substance used to add colour or change the colour of something. Indigo is an example of plant used to colour clothes and hairs.

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Answer 2

A dye is a colored substance that has an affinity to the substrate to which it is being applied. The dye is generally applied in an aqueous solution, and may require a mordant to improve the fastness of the dye on the fiber. Both dyes and pigments are colored, because they absorb only some wavelengths of visible light.

For example:Indigo is a natural dye which is used to give blues color.

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