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Polymer Technology

Polymer Technology
The conversion of caprolactum in the above case is about __________ percent.

90
25
70
50

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Polymer Technology
Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is

Chlorophrene
None of these
Isoprene
Chloroethane

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Polymer Technology
Alkyd resin is a/an

Addition polymer
Polyamide
Polyester
Polyolefin

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Polymer Technology
Mastication of rubber means

A treatment to retard its deterioration due to oxidation
Improving its curing rate
Depression of its freezing point
Its softening

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Polymer Technology
Styrene butadiene rubber (SBR) is never used for making

Gaskets
Coated fabrics
Soles of shoes
Front wheel tyres of aeroplanes (i.e., heavy duty tyres)

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Polymer Technology
__________ is an addition polymer

Nylon
Polythene
None of these
Bakelite

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