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Polymer Technology

Polymer Technology
Hot drink (e.g, tea) cups are usually made of

Polystyrene
Polythene
PVC
Polypropylene

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Polymer Technology
SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at

2:1
1:2
3:1
1:3

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Polymer Technology
Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of

Butyl rubber
Cold SBR
Bunai N
Buna S

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Polymer Technology
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

Polyester
Polystyrene
Polyamide
Polyisoprene

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Polymer Technology
__________ is a natural fibre.

Dacron
None of these
Cellulose
Nylon-6

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Polymer Technology
Neoprene is rendered non-inflammable, because of

Its linear chain structure
The presence of chlorine atoms in its monomer
The absence of chlorine atoms in its monomer
Its cross-linked structure

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