GATE (TF) Textile 2005 Question Paper Solution | GATE/2005/TF/59

Question 59 (Textile Engineering & Fibre Science)

For color discharge printing on cotton, identify the combination of the most appropriate dye class and dye structure.

Group – I Group – II
P. Vat Dyes 1. Azo structure
Q. Reactive Dyes 2. Anthraquinone structure
R. Direct Dyes 3. Any structure containing sulphur
S. Acid Dyes 4. Any structure containing -OOCh groups
(A)P-2, Q-1, R-3, S-4
[Show Answer]

Option A is correct.

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