Synthetic Polymers Quiz
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5 questions, one answer each
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1. What is a monomer?
- A. A very long polymer chain
- B. A small molecule that joins with others to form a polymer
- C. A type of catalyst used in polymerisation
- D. A biodegradable plastic
2. Which type of monomer is used to make addition polymers?
- A. Alcohols
- B. Carboxylic acids
- C. Alkenes
- D. Alkanes
3. Why are addition polymers such as polythene difficult to dispose of?
- A. They dissolve in water and pollute rivers
- B. They are inert and non-biodegradable
- C. They react explosively with oxygen
- D. They are radioactive
4. A polyester is made from a dicarboxylic acid and a diol. What small molecule is released as each ester link forms?
- A. Carbon dioxide
- B. Hydrogen
- C. Water
- D. Oxygen
5. A manufacturer wants a plastic bag that will break down naturally in landfill. Which type of polymer should they choose, and why?
- A. Poly(ethene), because it is cheap
- B. A biopolyester, because it is a biodegradable condensation polymer
- C. PVC, because it releases toxic gases when burned
- D. Poly(propene), because it is inert