Q. Nylon 6, 10 which is used for bristles making is superior to nylon 6, 6 due to its lower water absorption capacity, is a/an

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Q. Styrene which is a monomer for the production of polystyrene, is commercially produced by the

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Q. Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their

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Q. Which of the following is not a natural fibre?

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Q. Polyurathane can not be used to make

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Q. Terylene is

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Q. Cross linked polymers formed from bi-and trifuctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties.

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Q. Bakelite (phenol-formaldehyde) resin can not be used as

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Q. Adipic acid is an intermediate in the manufacture of

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Q. Softening point of high density polythene is about __________ °C.

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Q. Polymerisation of poly functional monomers produces polymers having

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Q. Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature.

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Q. Which of the following is an inorganic polymer ?

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Q. __________ moulding is used for shaping of thermosetting plastics exclusively.

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Q. Bristles of tooth brushes are made of

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Q. Pick out the wrong statement.

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Q. Starting material for the production of butadiene in India is

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Q. Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used

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Q. The monomer for the production of neoprene rubber is

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Q. A copolymer is formed by the combination of two or more monomer molecules

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