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Intermediate 1 Unit 2d Plastics. 1. 2. 3. 4. 5. 6. 7. 10. 8. 9. 11. 12. 14. 13. 15. 16. 17. Plastics are made by the chemical industry. Are they natural or synthetic?. Synthetic. What are most plastics made from?. Oil. Give two examples of a plastic.
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Intermediate 1 Unit 2d Plastics 1 2 3 4 5 6 7 10 8 9 11 12 14 13 15 16 17
Plastics are made by the chemical industry. Are they natural or synthetic? Synthetic
Give two examples of a plastic. Polythene, polystyrene, perspex, PVC, nylon, Kevlar, bakelite, formica and silicones
Give an advantage of a plastic over a natural material? Plastics do not rot like iron. They are lighter then most metals.
What does it mean if a material is biodegradable? Broken down by bacteria and rot away
Most plastics are non biodegradable.What does this tell us about a plastic? They do not rot/ they are not broken down by bacteria
Why is it dangerous to burn a plastic? Poisonous gases are given off. Carbon monoxide is given off.
Name the 3 ways of disposing of plastics ? Burying, burning & recycling.
What is a thermoplastic? A plastic which melts and can be reshaped on heating.
Name the process of joining up monomers to make a polymer. Polymerisation
Name the polymer made by joining ethene molecules together. Polyethene
What size is a molecule if it is a polymer? A large molecule
Name the polymer made by joining styrene molecules together. Polystyrene
Why is important to recycle plastics? They are made from oil which is a finite resource. Oil will run out.
Name the monomer which is used to make the polymer polypropene. Propene
What name is given to the small molecules used to make a polymer? Monomer
Name a toxic gas given off when a plastic is burned. Carbon monoxide
Intermediate 1 Unit 2d Plastics 4 5 6 7 1 2 3 12 10 11 8 9 13 14 15 16 17