Grade 12 Polymers Worksheet
This worksheet covers fundamental concepts of polymers, including classification, synthesis, and properties, suitable for Grade 12 chemistry students.
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Grade 12 Polymers Worksheet
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Read each question carefully and provide concise answers. Show all your work for calculations.
1. Polymers are large molecules made up of repeating structural units called .
2. The process of joining monomers to form a polymer is called .
3. polymers can be melted and reshaped multiple times, while polymers degrade upon heating.
1. Which of the following is an example of a natural polymer?
Polyethylene
Nylon
Starch
PVC
2. What type of polymerization involves the elimination of a small molecule, such as water, during monomer addition?
Addition polymerization
Condensation polymerization
Copolymerization
Ring-opening polymerization
1. All polymers are synthetic.
True
False
2. Cross-linking generally increases the rigidity and strength of a polymer.
True
False
1. Briefly explain the difference between a homopolymer and a copolymer, providing an example of each.
2. Describe two factors that influence the properties of a polymer.
Examine the polymer structure below and answer the questions.
1. Identify the repeating monomer unit in the given polymer structure.
2. Based on the structure, is this an example of an addition polymer or a condensation polymer? Justify your answer.