Q. Branched chain polymers compared to linear polymers have higher

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Q. Styrene butadiene rubber is commercially manufactured by

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Q. __________ polythene is most prone to stress-cracking

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Q. Acrylonitrile is mainly used in the __________ industry.

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Q. Collapsible tubes for tooth paste are produced by __________ extrusion.

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Q. __________ practically possess no elasticity.

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Q. Phenol formaldehyde

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Q. Polyesters are manufactured by the polycondensation reaction of

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Q. Thermosetting materials

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Q. A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of

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Q. Which of the following is not an elastomer ?

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Q. Plexiglass (also called lucite) because of its high optical transparency is used for making lenses. It is chemically

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Q. __________ is a copolymer.

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Q. Polyvinyl chloride (PVC)

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Q. Which of the following is not a condensation polymer ?

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Q. Which of the following is the lowest cost plastic commercially available ?

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Q. Thermosetting plastic materials

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Q. Terylene is a/an

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Q. Rayon is a __________ fibre.

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Q. Commercial production of polypropylene employs __________ polymerisation.

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