Polymer
a year ago
ainun.ainuddin
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18 QuestionsShow answers
  • Question 1
    60 seconds
    Q.

    Which of the following is a thermosetting polymer?

    answer choices

    polystyrene

    polyethylene

    nylons

    epoxy

  • Question 2
    60 seconds
    Q.

    The chain growth process is usually much slower than the condensation process.

    answer choices

    True

    False

  • Question 3
    60 seconds
    Q.

    Which of the following reaction is not accompanied by elimination of a byproduct molecule?

    answer choices

    addition polymerization

    condensation polymerization

    both of the mentioned

    none of the mentioned

  • Question 4
    60 seconds
    Q.

    Polymer classification based on structure are... EXCEPT

    answer choices

    Network

    Linear

    Synthetic

    Branched

  • Question 5
    60 seconds
    Q.

    Amino acids react to form peptides and proteins, this process is known as

    answer choices

    addition polymerization

    substitution polymerization

    condensation polymerization

    hydration polymerization

  • Question 6
    60 seconds
    Q.

    Recycle bottles of plastic are made from

    answer choices

    peptides

    polyamides

    nylon

    polyethylene terephthalate

  • Question 7
    60 seconds
    Q.

    In condensation of polymerization, monomers are involved which contain functional groups of

    answer choices

    same kind

    different kind

    all groups

    compounds

  • Question 8
    60 seconds
    Q.

    Large molecules made up of small monomers are called

    answer choices

    polymers

    peptides

    peptones

    monomers

  • Question 9
    60 seconds
    Q.

    Monomers of ethene in thousand numbers react together in addition polymerization to produce

    answer choices

    polyamides

    polyesters

    poly(ethene)

    all of them

  • Question 10
    60 seconds
    Q.

    Deformation behavior of a thermoplastic plastic above glass transition temperature

    answer choices

    viscous fluid

    brittle

    leathery and then rubbery

    glassy

  • Question 11
    60 seconds
    Q.

    Which polymer have this kind of structure?

    answer choices

    Elastomer

    Kevlar

    Rubber

    Cotton

  • Question 12
    60 seconds
    Q.

    Small molecules that make up larger molecules

    answer choices

    polymer

    monomer

    plastic

    synthetic

  • Question 13
    60 seconds
    Q.

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

    answer choices

    thermoset

    thermoplastic

    elastomer

    kevlar

  • Question 14
    60 seconds
    Q.

    Thermoplastic have...

    answer choices

    good surface finish, UV resistance, recyclabillity

    good surface finish, low strength, can't be reformed with heat

    good dimensional stability, low strength, good heat resistance

    high regidity, UV resistant, can be reformed with heat

  • Question 15
    30 seconds
    Q.

    Stages involve in addition polymerization EXCEPT

    answer choices

    propagation

    catalyst

    termination

    initiation

  • Question 16
    30 seconds
    Q.

    Type of thermosetting processing EXCEPT

    answer choices

    Compression molding

    Transfer molding

    Calendaring

    Sparying

  • Question 17
    30 seconds
    Q.

    Plastic bottles are fabricated by using which method

    answer choices

    Rotational molding

    Injection molding

    Blow molding

    Extrusion

  • Question 18
    30 seconds
    Q.

    Name of this process?

    answer choices

    Extrusion

    Compression molding

    Injection molding

    Transfer molding

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