polymerisation

Question 1

give 4 examples of polymers

Answer 1

poly(ethene), poly(propene), poly(chloroethene), PTFE

Question 2

give the properties of poly(ethene)

Answer 2

flexible, cheap, good electrical insulator

Question 3

give the uses of poly(ethene)

Answer 3

plastic bags, plastic bottles and clingfilm

Question 4

give the properties of poly(propene)

Answer 4

flexible, shatterproof, has a high softening point.

Question 5

give the uses of poly(propene)

Answer 5

buckets and bowls

Question 6

give the properties of poly(chloroethene)

Answer 6

tough, cheap, long lasting, good electrical insulator

Question 7

give the uses of poly(chloroethene)

Answer 7

window frames, gutters and pipes, insulation for electrical wires

Question 8

give the properties of PTFE

Answer 8

tough, slippery, resistant to corrosion, good electrical insulator

Question 9

give the uses of PTFE

Answer 9

non stick coatings for frying pans and skis, containers for corrosive substances, stain proofing carpets insulation for electric wires.