CAIE IGCSE Chemistry 11.8 Polymers Questions
Practise deriving monomers and repeat units, distinguishing addition from condensation polymerisation and identifying ester, amide or carbohydrate linkages.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Exam points
- derive an addition-polymer repeat unit by opening the monomer carbon-carbon double bond
- recover a monomer from an addition repeat unit by restoring the double bond and side groups
- identify condensation repeat units and ester, amide or oxygen linkages from structures
Covered syllabus points
11.8.1—Polymers as large molecules built up11.8.2—Formation of poly(ethene) as an11.8.3—Plastics are made from polymers11.8.4—Properties of plastics have11.8.5—Environmental challenges caused by11.8.6—Repeat units and/or linkages in11.8.7—Deduce the structure or repeat unit of11.8.8—Deduce the structure or repeat unit of11.8.9—Differences between addition and11.8.10—And draw the structure of: (a) nylon11.8.11—PET can be converted back into11.8.12—Proteins as natural polyamides and11.8.13—And draw the structure of proteins as
Question 1
Part of the structure of a very large molecule is shown.
Which term describes the small unit used to make this molecule?
A
hydrocarbon
B
monomer
C
polymer
D
saturated
Question 2
The flow diagram shows how poly(ethene) may be made from petroleum.
What are stages 1,2 and 3 ?
1
2
3
cracking
polymerisation
fractional distillation
cracking
fractional distillation
polymerisation
fractional distillation
cracking
polymerisation
fractional distillation
polymerisation
cracking
Question 3
Which polymer structure has the same linkages as Terylene?
A
C
B
D
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