Polymers
- Created by: louderthanbombzz
- Created on: 06-04-17 16:55
Other questions in this quiz
2. In PTFE, tetrafluoroethene monomers, which atom is large relative to monomer size, stopping rotation?
- Fluorine
- Tetra
- Ethene
- Carbon
3. Polythene, 10*100mm, is semi-crystalline. Stretching plastically makes amorphous regions...
- Line up.
- Slide.
- More amorphous.
- Fall apart.
4. What material has cross-linked structure?
- Pectin.
- Vulcanised rubber.
- Glucagon.
- Amylopectin.
5. What makes polymers flexible?
- Polymer chains have weak directional bonds.
- Polymer chains can rotate around bonds, increasing elasticity. Arrangement of atoms can stop this.
- Polymer chains can always rotate around bonds, no matter monomer atom structure.
- Polymer chains have strong, directional bonds.
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