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Polymers (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'Polymers' from the broader topic Bonding, Structure, And The Properties Of Matter. The test is geared towards the AQA exam board style syllabus.
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Why do many addition polymers (e.g. poly(ethene), poly(propene)) melt when heated?
Which type of polymerisation joins monomers by opening C=C double bonds to form long chains without producing small molecules?
Which practical property of a polymer is most directly controlled by the strength of intermolecular forces between chains?
Why are some polymers (e.g. poly(ethene)) good electrical insulators?
Why do thermosetting plastics not melt when heated?
What is a copolymer?
Which test best distinguishes between an addition polymer such as poly(ethene) and a condensation polymer such as a polyester?
In polyamide (nylon) chains the repeating link contains an amide bond (–CONH–). This bond is formed during:
How does branching in polymer chains typically affect the material compared with a linear polymer of similar molecular weight?
What is the repeating unit (monomer fragment) called in a polymer structure?
How does copolymerisation allow tuning of polymer properties?