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Polymer Technology

Polymer Technology
Which of the following is not a condensation polymer?

Melamine polymer
Polymethylmethacrylate (PMMA)
None of these
Bakelite

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Polymer Technology
Liners of bags are usually made of

PVC
Polyesters
Polythene
Polypropylene

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Polymer Technology
Orlan fibre which is used as a wool sub stitute is

A natural polymeric fibre
Polymethylmethacrylate (PMMA)
An amorphous polymer
Polyacrylonitrile

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Polymer Technology
__________ is normally used for the manufacture of refrigerator components and transistor parts.

Polyurathene
Polystyrene
Polyproylene
Polyester

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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

None of these
Chlorophrene
Chloroethane
Isoprene

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Polymer Technology
Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is

V₂O₅
Ni
Fe
Aluminium triethyl combined with titanium tetrachloride

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