Polymers

Question 1

How are polymers bonded?

Answer 1

Covalently bonded

Question 2

What are Polymers made up of?

Answer 2

Long molecules

Question 3

What hold the molecules together in a polymer?

Answer 3

Strong intermolecular forces

Question 4

Do polymers have high or low melting points? Why?

Answer 4

High due to the strong intermolecular forces that require lots of energy to break them apart

Question 5

What state are polymers at room temperature?

Answer 5

Solid

Question 6

Name the properties of poly(ethene)

Answer 6

Flexible, cheap, good insulator

Question 7

Name three uses for poly(ethene)

Answer 7

Any of the following : Plastic bags, plastic bottles, cling film, insulators for electrical wires

Question 8

Name the properties of poly(propene)

Answer 8

Flexible, shatterproof, high softening point

Question 9

Name two uses for poly(propene)

Answer 9

Buckets and bowls

Question 10

Name the properties of poly(chloroethene)

Answer 10

Tough, cheap long-lasing, good insulator

Question 11

Name three properties of poly(chloroethene)

Answer 11

Any of the following : Window frames, gutters, pipes, insulation for electrical wires

Question 12

Name the properties of poly(styrene)

Answer 12

Lightweight, stiff, transparent, brittle

Question 13

Name three uses for poly(styrene)

Answer 13

Any of the following : disposable cups, disposable cutlery, smoke detectors, license plate frames

Question 14

Name the properties of poly(tetrafluoroethene) teflon

Answer 14

Tough, slippery, resistant to corrosion, good insulator

Question 15

Name three uses for poly(tetrafluoroethene) teflon

Answer 15

Any of the following : non-stick coatings, bearings and skis, containers for corrosive substances, stain-proofing carpets, insulation for electrical devices