Question

4. Chemicals which produce colour are called_______

Answer 1

Answer:

Pigments are brightly colored, insoluble powders (brightly colored liquids are called dyes). In most cases, the bright color is a result of the material absorbing light in the visible spectrum.

Explanation:

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Answer 2

Answer:

Chemicals which produce colour are called pigments.

Explanation:

A pigment is generally a highly colored material that can be completely or almost insoluble in water. Whereas dyes tend to be typically soluble, or tend to at least stay soluble at some stage in their use. Generally these dyes are made of organic compounds as compared to pigments that are primarily and often inorganic compounds.