Polymers
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25 QuestionsShow answers
  • Question 1
    30 seconds
    Q.

    A chain of repeating units (called monomers)

    answer choices

    monomer

    dimer

    replicate

    polymer

  • Question 2
    30 seconds
    Q.

    A polymer made in the laboratory (or industry) usually made from petrochemicals

    answer choices

    nature polymer

    natural polymer

    protein

    synthetic polymer

  • Question 3
    60 seconds
    Q.

    Once formed, it can be heated and reformed over and over again

    answer choices

    thermoset

    thermoplastic

    elastomer

    kevlar

  • Question 4
    20 seconds
    Q.

    Which of the following is a type of natural polymer?

    answer choices

    Sodium Alginate

    poly vinyl acetate

    polystyrene

    polytetrafluoroethylene

  • Question 5
    20 seconds
    Q.

    Which of the following determine the properties of a polymer?

    answer choices

    chemical nature of the monomer

    length of the polymer chain

    how the monomers are joined together

    All of the above

  • Question 6
    900 seconds
    Q.

    The birefringence effect that occurs when a polymer is viewed between two polarizing filters represents the _________________ regions of the polymer.

    answer choices

    Crystalline

    Amorphous

    Cross-Linked

    Branched

  • Question 7
    900 seconds
    Q.

    A thermoplastic polymer will be ______________________.

    below its glass transition temperature.

    answer choices

    soft and flexible

    rigid and brittle

    translucent

    rubbery

  • Question 8
    120 seconds
    Q.

    Which of these is the best example of how the polymer molecules are arranged in Teflon tape?

    answer choices

    none of the above

  • Question 9
    30 seconds
    Q.

    Polymers are huge chains of repeating organic units called ___

    answer choices

    single cells

    monomers

    lone pairs

    base units

  • Question 10
    30 seconds
    Q.

    A polymer that is irreversibly hardened by curing, like polyurethane or Bakelite, is called ___

    answer choices

    reinforced

    thermoplastic

    thermoset

    fortified

  • Question 11
    30 seconds
    Q.

    a polymer that is usually made by living things

    answer choices

    nature polymer

    natural polymer

    protein

    synthetic polymer

  • Question 12
    20 seconds
    Q.

    Synthetic polymers are made from:

    answer choices

    Wood

    Plastic

    Trees

    Fossil fuels

  • Question 13
    30 seconds
    Q.

    The process by which polymers and plastics are made is called… ?

    answer choices

    Plastication

    Polymerisation

    Thermocation

    Carbonification

  • Question 14
    30 seconds
    Q.

    Composites combined can have these properties

    answer choices

    stiffness

    conductivity

    corrosion resistance

    all of the above

  • Question 15
    30 seconds
    Q.

    Plastics are composites?

    answer choices

    Obviously

    Are you kidding, no

    Perhaps, not all of them are

  • Question 16
    30 seconds
    Q.

    One disadvantage of Injection Molding is

    answer choices

    Tooling Cost

    Tight Tolerances

    No post process needed

    Low volumes

  • Question 17
    30 seconds
    Q.

    Engineering polymers are designed to

    answer choices

    Improve strength

    Decrease process cost

    Be mass produced

    All of the above

  • Question 18
    30 seconds
    Q.

    The addition of water is called...

    answer choices

    Halogenation

    Hydrogenation

    Hydration

    Dehydration

  • Question 19
    30 seconds
    Q.

    What are the benefits of hydrogenation?

    answer choices

    Increases the melting point

    Makes fats healthier

    Adds more hydrogren

    Decreases the melting point

  • Question 20
    900 seconds
    Q. Large molecules made up of smaller molecules.
    answer choices
    monomer
    polymer
    hydrocarbon
    plastic
  • Question 21
    900 seconds
    Q. Polymers that have Carbon as their backbone
    answer choices
    monomer
    polymer
    organic
    synthetic
  • Question 22
    900 seconds
    Q. Polymers that a silicon or phosphorous backbone instead of carbon
    answer choices
    monomer
    synthetic
    inorganic
    organic
  • Question 23
    900 seconds
    Q. Type of polymers made in a laboratory 
    answer choices
    monomer
    synthetic
    inorganic
    organic
  • Question 24
    900 seconds
    Q. Petroleum based product 
    answer choices
    plastic
    synthetic
    inorganic
    organic
  • Question 25
    900 seconds
    Q. Rigid and very strong Polymer.
    answer choices
    Linear
    Branched
    Cross-Linked
    Thermoset
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