| 1. | ||
 |
||
| 2. | ||
| a) | nylon SOFTENS -[nylon is a thermoplastic] | |
| b) | cross-linked molecules | |
| c) | greater strength is required | |
| d) | a pigment | |
| 3. | medium | |
| 4. | ACID = WEAK/ BASE = STRONG | |
| 5. | X= ethanol; Y = propanoic acid | |
| 6. | ||
 |
||
| 7. | £ 130 | |
| 8. | ||
| As the NUMBER OF CARBON ATOMS INCREASES the VISCOSITY INCREASES | ||
| 9. | ||
 |
||
| 10.92 |
