Polyamides are synthetic polymers commonly known as___________?
Correct answer: D. Nylon
- A. synthetic
- B. Protein
- C. Cellulose
- D. Nylon
Explanation
Polyamides contain repeating amide links, -CONH-, in their polymer chains; the best-known synthetic polyamides are nylons. Proteins are natural polyamides, but the question asks for the common name of synthetic polyamides. Students may choose protein because peptide bonds are also amide bonds, but nylon is the expected synthetic-polymer example.
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About Polymers
Polymers are large molecules made from repeating monomer units joined by covalent bonds. The topic distinguishes addition polymers such as polyethylene, PVC and polystyrene from condensation polymers such as nylon and polyester, and relates chain structure to thermoplastics, thermosetting polymers, elastomers, properties, uses and environmental concerns.
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