Dyes

Dyes for textile dyeing can be divided into two main categories, _____ and _____ dyes.

(a)  

Natural dyes are colorants obtained from plants, in__r_ib____, insects, fungi, or minerals.

(a)  

Natural dyes are color substances obtained from (a)   sources.

Turmeric: It produces shades of (a)   on fabrics

Co (a)   ne_l dye is extracted from the dried bodies of the female red bug.

(a)   dyes are sometimes referred to as ‘coal tar dyes’,

Q (a)   nol_ne Y_llow is a synthetic dye that is used as a coloring agent in various food and beverages.

Ochre is a kind of iron ore, also called limonite which is an earth mineral oxide. It is used for yellow, brown, and red nuances.

• TRUE

• FALSE

Aragonite is a colorless mineral used for white nuances..

• TRUE

• FALSE

Mineral dye is extracted from the fluid secreted by the insect called Lauifer lacca, which lives on the twigs of the banyan trees and other varieties.

• TRUE

• FALSE