Dyes and Pigments

What is the ratio of the three qualities of dyes in high quality cloth?

Which of the following is an example of an azo dye?

Which of the following is a natural dye?

Triphenyl Methane Dye is classified based on the method of application.

Name two dyes that are classified based on structure.

An example of mordant dye is:

Vat dyes are used for dyeing synthetic fibres.

Vat dyes can be used only on wool.

Describe vat dye.

Give the groups present in basic dyes.

Basic dyes are used for dyeing synthetic fibres.

An example of basic dye is:

Describe basic dye.

Give two examples of acidic dye.

Acidic dyes are used for dyeing plant fibres.

An example of acid dye is:

Describe acid dye.

Describe direct dye.

Direct dyes have poor affinity for cotton fabrics.

An example of direct dye is: