Textile Engineering > GATE 2010 > Dyeing
Match the elements of Group I and Group II.
| Group I | Group II |
|---|---|
| P. Acid dye | 3. Electrovalent bonds |
| Q. Mordant dye | 4. Co-ordinate bonds |
| R. Reactive dye | 2. Covalent bonds |
| S. Direct dye | 5. Van der Waals forces |
Correct : b
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