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Polymer Technology

Polymer Technology
Polystyrene is a __________ plastic at room temperature.

Malleable
Ductile
None of these
Brittle

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

Magnitude of intermolecular forces
Molecular sizes
Resistance to heat
Polymerisation mechanism

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Polymer Technology
__________ is not a condensation polymer.

Nylon-66
Teflon
Dacron
Polystyrene

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Polymer Technology
Vinyl flooring is done using __________ sheets.

Polythene
Polyvinyl acetate
Polypropylene
PVC

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Polymer Technology
Polyesters are manufactured by the polycondensation reaction of

Carboxylic acid with ethylene
A single monomer
Dibasic acid with dihydric alcohol
Inorganic acid with ethylene glycol

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Polymer Technology
Contact lenses for eyes are made of perspex, which is nothing but

Polymethylmethacrylate
Polypropylene
Unsaturated polyester
Polystyrene

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