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