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Polymer Technology

Polymer Technology
Bakelite is a/an

Elastomer
None of these
Addition polymer
Thermoplastic

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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

Chloroethane
Isoprene
None of these
Chlorophrene

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Polymer Technology
Polystyrene is a __________ plastic at room temperature.

Ductile
None of these
Brittle
Malleable

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Polymer Technology
Which of the following polymers shows the highest anti-tacking properties?

Alkyd resin
Melamine formaldehyde resin
Phenolic resin
Epoxy resin

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Polymer Technology
In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres.

Polythene
PVC
Rayon
Polyvinyl acetate

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Polymer Technology
Polystyrene is a light, transparent, thermoplastic material used for making

Packaging bags
Electrical insulation
Toys and combs
Non-sticking utensils

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