Q. In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer ?

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Q. Cation exchange resins used in water treatment is made from __________ resin.

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Q. Size range of polymer molecules varies from __________ metre.

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Q. Cellulose content in bomboo fibre is about __________ percent.

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Q. In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of

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Q. Which of the following has the weakest intermolecular forces ?

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Q. Properties of a polymer is affected by the

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Q. In condensation polymerisation as compared to addition polymerisation

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Q. Thermosplastic materials

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Q. Polyvinyl acetate is never used for making

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Q. Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is

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Q. Vulcanisation of rubber does not increase its

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Q. In nylon-6, the number 6 represents the total number of

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Q. Polyhexamethylene adipimide is also known as

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Q. __________ is normally used for the manufacture of refrigerator components and transistor parts.

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Q. Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser ?

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Q. Bakelite is

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Q. Poly tetra flouro ethylene (PTFE) is known as

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Q. Thermosetting resins/polymers as compared to thermoplastic ones are

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Q. The generic chemical name for the class of polymers which are commerically known as nylons is

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