Polymers Quiz
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5 questions, one answer each
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1. What feature must a monomer have to form an addition polymer?
- A. Two carboxylic acid groups
- B. A C=C double bond
- C. An –OH group
- D. A nitrogen atom
2. What is released each time an ester link forms in a condensation polymerisation reaction?
- A. Carbon dioxide
- B. Oxygen
- C. Water
- D. Hydrogen
3. Starch is a polymer based on which type of monomer?
- A. Amino acids
- B. Nucleotides
- C. Sugars
- D. Esters
4. A chemist is given the repeating unit of a polymer and asked to deduce its monomer. What should they do?
- A. Add water to the repeating unit
- B. Replace the bonds linking repeating units with a C=C double bond
- C. Add an –OH group to the repeating unit
- D. Multiply the repeating unit by 100
5. A polyester is formed from a monomer with two carboxylic acid groups and a monomer with two alcohol groups. Which statement correctly explains why this is a condensation reaction rather than addition polymerisation?
- A. Because the monomers do not contain a C=C double bond and the reaction releases water at each ester link formed
- B. Because the polymer produced has a lower molecular mass than the monomers
- C. Because no covalent bonds are formed between the monomers
- D. Because the reaction only occurs in the presence of a catalyst