A chemist analyses the molecules in a newly made material.
Which statement gives the best evidence that the material is a polymer?
Analysis shows that each molecule contains a carbon–carbon double bond.
Analysis shows that many separate small molecules are mixed together.
Analysis shows that one section repeats many times within each very large molecule.
Analysis shows that each molecule contains two different functional groups.
94 exam-style questions on AQA GCSE Chemistry 7.3 Synthetic and naturally occurring polymers, covering 7.3.1 Addition polymerisation, 7.3.2 Condensation polymerisation, 7.3.3 Amino acids, and 7.3.4 DNA (deoxyribonucleic acid) and other naturally occurring polymers. Each one has a worked solution and a mark scheme showing where the marks go.