Textile Engineering > GATE 2025 > Chemical Finishing
Group I indicates chemical agents and group II indicates their functions. Match the agent with its function.
Group IGroup II
P. BTCA (Butane tetra carboxylic acid)1. Crease recovery
Q. Sodium hydrosulphite2. Sequestration
R. THPC (Tetrakis hydroxyl methyl phosphonium chloride)3. Flame retardancy
S. EDTA (Ethylene diamine tetra acetic acid)4. Reduction
A
P-1, Q-3, R-4, S-2
B
P-2, Q-3, R-4, S-1
C
P-4, Q-2, R-3, S-1
D
P-1, Q-4, R-3, S-2

Correct : d

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textile engineering gate textile engineering GATE 2025 chemical agents functions of chemical agents BTCA function sodium hydrosulphite function THPC function EDTA function crease recovery sequestration flame retardancy reduction

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