Paper 2

Question 1

Properties and uses of poly(ethene)

Answer 1

Properties:
- flexible, cheap, electrical insulator

Uses:
- plastic bags, plastic bottles, clingfilm

Question 2

Properties and uses of poly(propene)

Answer 2

Properties:
- flexible, shatterproof, high softening point

Uses:
- buckets and bowls

Question 3

Properties and uses of poly(chloroethene) - PVC

Answer 3

Properties:
- tough, cheap, long lasting, electrical insulator

Uses:
- window frames, gutters/pipes, insulation for electrical wires

Question 4

Properties and uses of poly(tetrafluoroethene) - PTFE

Answer 4

Properties:
- tough, resistant to corrosion, electrical insulator

Uses:
- nonstick coatings for frying pans, containers for corrosive substances, insulation for electrical wires