A) Congo-red
B) Aniline black
C) Alizarin
D) Indigo
Correct Answer: B
Solution :
(i) Congo red is direct dye. (ii) Alizarin is anthraquinone dye. (iii) Aniline black is an ingrain dye. The last process of dyeing is done on fabric for suchYou need to login to perform this action.
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