Grade 11 Polymers Worksheet
This worksheet covers fundamental concepts of polymers, including their classification, structure, properties, and applications, suitable for Grade 11 Chemistry students.
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Grade 11 Polymers Worksheet
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. Which of the following is NOT a characteristic of polymers?
High molecular weight
Composed of repeating monomer units
Always soluble in water
Can be natural or synthetic
2. What type of polymerization involves the loss of a small molecule, such as water, during the formation of the polymer chain?
Addition polymerization
Condensation polymerization
Copolymerization
Ring-opening polymerization
3. The basic repeating unit in a polymer is called a .
4. Polymers that soften when heated and can be reshaped are known as .
5. Natural rubber is an example of a polymer.
6. All polymers are synthetic and do not occur naturally.
True
False
7. Cross-linking generally increases the strength and rigidity of a polymer.
True
False
8. Differentiate between thermoplastic and thermosetting polymers, providing one example for each.
9. Explain the process of addition polymerization using an appropriate example.
Use the words below to complete the sentences.
10. The process by which monomers combine to form a polymer is called .
11. A is a polymer that can be stretched to many times its original length and returns to its original shape when the stress is released.