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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.Incorrect: 0
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A student wants a flexible, weather-resistant outdoor coating. Which polymer type is most suitable?
What is the repeating unit (monomer fragment) called in a polymer structure?
Which type of polymerisation joins monomers by opening C=C double bonds to form long chains without producing small molecules?
What is the main reason that small molecule monomers are handled carefully in industry before polymerisation?
Polymers that soften and can be reshaped on heating and cooling are called:
Which structure is most likely for a brittle, hard polymer used for cook-ware that does not soften on heating?
Why are some polymers (e.g. poly(ethene)) good electrical insulators?
Which property tends to increase as polymer chains become more cross-linked?
Why does adding plasticiser to a polymer like PVC make it more flexible?
Why are some polymers semi-crystalline while others are largely amorphous?
What makes a polymer biodegradable?
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