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Polymer Technology

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

Polyamide
Polyolefins
Polyacrylate
Polyurathane

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Polymer Technology
Ion exchange resins are made of

Polystyrene
Lucite
Teflon
Sulphonated bakelite

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Polymer Technology
Styrene which is a monomer for the production of polystyrene, is commercially produced by the

Reacting ethylene oxide with acetal-dehyde
Catalytic dehydrogenation of ethyl benzene
Fermentation of starch
Dehydration of ethyl alcohol followed by hydrogenation

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Polymer Technology
__________ is a natural fibre.

Dacron
Cellulose
Nylon-6
None of these

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Polymer Technology
Nylon-66 compared to nylon-6 has

Lower melting point
All of these
More abrasion resistant properties
Higher hardness

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Polymer Technology
Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6.

-20 to 25
250-280
50 to 75
100 to 150

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