Topic 13 - Plastics

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Author:
Anonymous
ID:
77236
Filename:
Topic 13 - Plastics
Updated:
2011-04-04 09:09:04
Tags:
Chemistry Plastics
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Description:
Standard Grade Chemistry - Topic 13 - Plastics
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  1. What are some of the useful properties of plastics?
    • Strong
    • Light
    • Insulators of heat / electricity
  2. What is the source of plastics and synthetic fibres?
    Crude oil
  3. What kind of plastics can be melted and reshaped?
    Thermoplastic plastics
  4. What kind of plastics do not melt on heating?
    Thermosetting plastics
  5. What is the poison that is produced by burning Polyvinylchloride (PCV)?
    Hydrogen chloride - HCl
  6. What is the poison that is produced by burning most plastics?
    Carbon monoxide - CO
  7. What is the poison that is produced by burning Polyurethane foam?
    Hydrogen cyanide - HCN
  8. Few plastics will rot when buried ie they are not....?
    biodegradable
  9. The small molecules which join together to form a long chain plastic molecule are called....?
    monomers
  10. What is the name of the process where monomers join up to make polymers?
    polymerisation
  11. How do unsaturated monomers, like ethene and propene, join up?
    By breaking the double covalent bond between the cabon atoms and using the spare electrons to join neighbouring monomer molecules together
  12. What is the repeating pattern within the structure of a polymer called?
    The repeating unit

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