Plastics in Building Construction
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Questions and Answers

What are polymers?

  • Materials made of short, non-repeating chains of molecules
  • Man-made materials that cannot change shape
  • Materials that occur in nature
  • Long chains of atoms bonded to each other (correct)

    • What distinguishes thermoplastic from other plastics?

  • They can be softened by heating (correct)
  • They are naturally occurring
  • They are not made of polymers
  • They are rigid and cannot change shape

    • Why are many things made of plastics?

  • They are naturally occurring
  • They are cheaper than other materials
  • They are biodegradable
  • Making them to the right shape is easy (correct)

    • What is the primary characteristic of adhesives and sealants used in building construction?

    <p>They bond materials together</p> Signup and view all the answers

    What happens to plastics that can be shaped only when they are freshly made?

    <p>They become hard</p> Signup and view all the answers

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