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Polymer Technology

Polymer Technology
__________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate.

Hard
Fibrous
Leathery
Rubbery

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Polymer Technology
Which of the following rubbers has the widest service temperature range (-75 to 275°C) ?

Silicon rubber
Nitrile rubber
Silicone rubber
Butyl rubber

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Polymer Technology
The monomer for the production of neoprene rubber is

Acetylene
None of these
Isoprene
Chloroprene

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Polymer Technology
In nylon-6, the number 6 represents the total number of

Carbon atoms in the ring
Nitrogen atoms in the ring
Hydrogen atoms in the ring
Carbon atoms in the linear polymer chain

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Polymer Technology
__________ practically possess no elasticity.

Vulcanite or ebonite
Polysulphide rubber
Epoxy resin
Spandex fibre

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Polymer Technology
Bristles of tooth brushes are made of

Polystyrene
Nylon-66
Nylon-6
PVC

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