Essential Chemistry for IGCSE - Polymers (Section 4)

  • 1
    What term is used to describe large molecules made up of repeating units?
    Vastaus
    (B)
    Polymers
  • 2
    What type of polymerization involves monomers combining without losing any atoms?
    Vastaus
    (B)
    Addition polymerization
  • 3
    Which type of reaction is involved in the formation of nylon?
    Vastaus
    (B)
    Condensation polymerization
  • 4
    What is the monomer of poly(propene)?
    Vastaus
    (B)
    Propene
  • 5
    Which of the following are examples of addition polymers?
    Vastaus
    A
    C
  • 6
    How is a polymer formed by addition polymerization?
    Vastaus
    (B)
    Monomers join by forming new bonds
  • 7
    Which of the following is a major environmental concern related to polymers?
    Vastaus
    (C)
    Their non-biodegradability.
  • 8
    What functional group links the monomers in polyesters?
    Vastaus
    (B)
    Ester
  • 9
    What type of bond is formed when a carboxylic acid reacts with an alcohol to form a polyester?
    Vastaus
    (A)
    Ester
  • 10
    What is the name of the functional group found in polyamides?
    Vastaus
    (B)
    Amide
  • 11
    Which is a common use for poly(ethene)?
    Vastaus
    (C)
    Plastic bags
  • 12
    Which of the following is/are produced during incineration of plastics?
    Vastaus
    A
    B
    C
  • 13
    What type of monomers combine to make a polyester?
    Vastaus
    (A)
    Alcohol and carboxylic acid
  • 14
    Which of the following monomers is used to make poly(chloroethene) (PVC)?
    Vastaus
    (C)
    Chloroethene
  • 15
    What is the name of the process where monomers join together to form a polymer chain?
    Vastaus
    (B)
    Polymerization
  • 16
    What are the main benefits of recycling plastics?
    Vastaus
    (B)
    Reduces the need for raw materials.
  • 17
    Which are the main components of the environment that plastic can pollute?
    Vastaus
    A
    B
    C
  • 18
    What is the name of the bond formed in polyesters?
    Vastaus
    (B)
    Ester
  • 19
    What is the name of the polymer that is made from the monomer tetrafluoroethene?
    Vastaus
    (D)
    Polytetrafluoroethylene
  • 20
    What does the 'n' represent in the general polymer structure shown?
    Vastaus
    (C)
    Degree of polymerization
  • 21
    What is a common use for poly(chloroethene)?
    Vastaus
    (B)
    Electrical insulation
  • 22
    Which statement best describes the structure of a polymer?
    Vastaus
    (C)
    A chain of repeating monomer units.
  • 23
    What are the monomers that make up a polyester?
    Vastaus
    A
    B
    D
  • 24
    Which of the following is formed by condensation polymerization?
    Vastaus
    (C)
    Nylon
  • 25
    Which of the following is the definition of a monomer?
    Vastaus
    (B)
    The smallest unit of a polymer chain.
  • 26
    Which of the following is a use for poly(chloroethene) (PVC)?
    Vastaus
    (C)
    Electrical insulation
  • 27
    What are the building blocks of a polymer?
    Vastaus
    (B)
    Monomers
  • 28
    What type of polymerization occurs when monomers join without losing any atoms and/or small molecules?
    Vastaus
    (B)
    Addition polymerization
  • 29
    What is a common problem associated with the disposal of non-biodegradable plastics?
    Vastaus
    (B)
    They contaminate water sources.
  • 30
    What type of reaction is involved in forming a polyester?
    Vastaus
    (B)
    Condensation
  • 31
    What are some benefits of recycling plastic?
    Vastaus
    A
    B
    C
  • 32
    What is a common use of poly(propene)?
    Vastaus
    (B)
    Packaging film
  • 33
    What type of functional group is formed during the formation of a polyester?
    Vastaus
    (B)
    Ester
  • 34
    What is the fundamental building block of polymers?
    Vastaus
    (B)
    Monomers
  • 35
    Which of the following are true about dealing with plastic waste?
    Vastaus
    A
    B
    D
  • 36
    What is the function of 'n' in the polymer formula (CH2-CH2)n?
    Vastaus
    (B)
    Represents the degree of polymerization
  • 37
    Which of the following polymers is formed through addition polymerization?
    Vastaus
    (C)
    Polyethylene
  • 38
    Which of the following are ways to deal with unwanted plastic?
    Vastaus
    A
    B
    C
  • 39
    Which of the following monomers is used to make polythene?
    Vastaus
    (A)
    Ethene
  • 40
    Which of the following best describes a monomer?
    Vastaus
    (C)
    A small molecule that combines to form a polymer.
  • 41
    What is the monomer of Teflon?
    Vastaus
    (C)
    Tetrafluoroethene
  • 42
    Which of these is a disadvantage of burning plastics?
    Vastaus
    (A)
    Produces toxic gases
  • 43
    Which of the following is a characteristic of addition polymers?
    Vastaus
    (C)
    The polymer's repeating unit has the same atomic composition as the monomer.
  • 44
    Which of the following polymers are used to create fibres used in clothing?
    Vastaus
    A
    C
  • 45
    What is the process called when monomers join together to form long chains?
    Vastaus
    (A)
    Polymerization
  • 46
    In the formation of a polymer, what is the role of a catalyst?
    Vastaus
    (B)
    To speed up the reaction
  • 47
    What are polymers made up of?
    Vastaus
    (B)
    Monomers
  • 48
    Which type of polymerization is used to form polyethylene?
    Vastaus
    (B)
    Addition
  • 49
    Which of the following methods is considered a sustainable way to manage plastic waste?
    Vastaus
    B
    C
  • 50
    Which of the following statements best describes a condensation reaction in the context of polymer formation?
    Vastaus
    (B)
    Monomers combine, and a small molecule (e.g., water) is eliminated.