Select the natural rubber from among the following from Chemis
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    Polymers

    Multiple Choice QuestionsFill In the Blanks

    191.

    The monomers of terylene are terephthalic acid and __________.

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    192.

    Rubber particles are coagulated by adding ________ solution. 

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    193.

    ________ and glyptal both are polyesters.

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    Multiple Choice QuestionsTrue Or False

    194. State whether the following statements are True or False:

    A.

    Protein is natural polymer.

    B.

    Buna-S is a homopolymer.

    C.

    Neoprene is a synthetic rubber.

    D.

    Nylon-6,6 is an example of elastomer.

    E.

    Cotton is an example of natural polyamide fibre.
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    195. State whether the following statements are True or False:

    A.

    Glyptal is a polymer of phthalic acid and ethylene glycol.

    B.

    Polyethene is a copolymer.

    C.

    Bakelite is an example of thermoplastic polymer.

    D.

    Nylon-6 is a polyamide.

    E.

    Polystyrene is an example of thermoplastic polymer.
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    196. State whether the following statements are True or False:

    A.

    PHBV and nylon-2-nylon-6 are examples of non-biodegradable polymers.

    B.

    2-chlorobutadiene is the monomer of thiokol.

    C.

    Nylon fibre does not have drip-dry property.

    D.

    Natural rubber is a polymer of 2-methy1 butadiene-1, 3.

    E.

    Buna-N and Buna-S both are synthetic rubber.
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    Multiple Choice QuestionsMultiple Choice Questions

    197. A molecule with a high molecular mass built up from many identical structural units is called

    • A polymer

    • An isomer

    • A monomer

    • Gram-molecule

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    198.

    Select the natural rubber from among the following

    • Isoprene

    • Nitrocellulose

    • Polythene

    • Bakelite

    A.

    Isoprene

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    199.

    Nylon is a co-polymer of

    • Urea and formaldehyde

    • Phenol and formaldehyde
    • Hexamethylene diamine and adipic acid
    • Styrene and butadiene.
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    Answer
    200.

    Nylon is

    • A polyester fibre
    • A polyamide fibre
    • A polythene derivative
    • A polymethyl methylacrylate fibre
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