Polymer Chemistry
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33 QuestionsShow answers
  • Question 1
    60 seconds
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    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 2
    60 seconds
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    Q.

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

    answer choices

    same kind

    different kind

    all groups

    compounds

  • Question 3
    60 seconds
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    Q.

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

    answer choices

    polyamides

    polyesters

    polyethene

    all of them

  • Question 4
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    Q. Proteins are composed of what smaller subunits?
    answer choices
    amino acids
    nucleic acids
    fatty acids
    nucleotides
  • Question 5
    60 seconds
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    Q.

    What is the name of the reaction used to make polymers?

    answer choices

    polymerization

    cracking

    polygonization

    precipitation

  • Question 6
    60 seconds
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    Q.

    Which polymers occur naturally?

    answer choices

    Starch and Nylon

    Starch and Cellulose

    Proteins and Nylon

    Proteins and PVC

  • Question 7
    60 seconds
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    Q.

    1,6-hexadiamine and hexanedioic acid are the monomers for

    answer choices

    kevlar

    nylon 6,6

    nylon 6

    terylene

  • Question 8
    20 seconds
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    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 9
    30 seconds
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    Q. The monomer of a carbohydrate is called...
    answer choices
    a monosaccharide
    a fatty acid
    an amino acid
    a nucleotide
  • Question 10
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    Q. monosaccharides combine to form....
    answer choices
    carbhoydrates
    lipids
    proteins
    nucleic acids
  • Question 11
    45 seconds
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    Q. What is the primary function of carbohydrates in your body?
    answer choices
    Speed up chemical reactions.
    Give immediate energy.
    Help to store energy.
    Build cell walls in plants.
  • Question 12
    120 seconds
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    Q. Organic molecules that always contain carbon, oxygen and hydrogen, often in a 1:2:1 ratio
    answer choices
    carbohydrates
    proteins
    enyzmes
    nucleic acids
  • Question 13
    30 seconds
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    Q.

    Which of the following elements is always found in an organic compound?

    answer choices

    nitrogen

    oxygen

    carbon

    sodium

  • Question 14
    30 seconds
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    Q.

    Which is NOT a reason polymers are so popular?

    answer choices

    easy to synthesize

    variety of uses

    ingredients are expensive

    wide range of properites

  • Question 15
    30 seconds
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    Q.

    Reaction of Amines and Carboxylic acids will produce...

    answer choices

    Polyamide and H2O

    Polyamide and HCl

    Polyester and H2O

    Polyester and HCl

  • Question 16
    60 seconds
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    Q.

    Which of the following is a thermosetting polymer?

    answer choices

    polystyrene

    polyethylene

    nylons

    epoxy

  • Question 17
    60 seconds
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    Q.

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

    answer choices

    True

    False

  • Question 18
    60 seconds
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    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 19
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    Q.

    Polymer classification based on structure are... EXCEPT

    answer choices

    Network

    Linear

    Synthetic

    Branched

  • Question 20
    60 seconds
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    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 21
    60 seconds
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    Q.

    Recycle bottles of plastic are made from

    answer choices

    peptides

    polyamides

    nylon

    polyethylene terephthalate

  • Question 22
    60 seconds
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    Q.

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

    answer choices

    same kind

    different kind

    all groups

    compounds

  • Question 23
    60 seconds
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    Q.

    Large molecules made up of small monomers are called

    answer choices

    polymers

    peptides

    peptones

    monomers

  • Question 24
    60 seconds
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    Q.

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

    answer choices

    polyamides

    polyesters

    poly(ethene)

    all of them

  • Question 25
    60 seconds
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    Q.

    Deformation behavior of a thermoplastic plastic above glass transition temperature

    answer choices

    viscous fluid

    brittle

    leathery and then rubbery

    glassy

  • Question 26
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    Q.

    Which polymer have this kind of structure?

    answer choices

    Elastomer

    Kevlar

    Rubber

    Cotton

  • Question 27
    60 seconds
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    Q.

    Small molecules that make up larger molecules

    answer choices

    polymer

    monomer

    plastic

    synthetic

  • Question 28
    60 seconds
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    Q.

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

    answer choices

    thermoset

    thermoplastic

    elastomer

    kevlar

  • Question 29
    60 seconds
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    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 30
    30 seconds
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    Q.

    Stages involve in addition polymerization EXCEPT

    answer choices

    propagation

    catalyst

    termination

    initiation

  • Question 31
    30 seconds
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    Q.

    Type of thermosetting processing EXCEPT

    answer choices

    Compression molding

    Transfer molding

    Calendaring

    Sparying

  • Question 32
    30 seconds
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    Q.

    Plastic bottles are fabricated by using which method

    answer choices

    Rotational molding

    Injection molding

    Blow molding

    Extrusion

  • Question 33
    30 seconds
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    Q.

    Name of this process?

    answer choices

    Extrusion

    Compression molding

    Injection molding

    Transfer molding

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