A student researching sustainable materials analyzes a section of a biodegradable polymer, Polymer Y, shown in the diagram below.

What class of polymer is Polymer Y, and what type of polymerization reaction is used to produce it?
Polyester; addition polymerization
Polyamide; condensation polymerization
Polyester; condensation polymerization
Polyamide; addition polymerization
Practise Edexcel GCSE Chemistry Polymers with exam-style questions for Foundation and Higher tier. 100 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.