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Polymer Technology

Polymer Technology
__________ is not a condensation polymer.

Polystyrene
Nylon-66
Dacron
Teflon

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Polymer Technology
__________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol).

Unsaturated polyester
Amino resins
Saturated polyester
Alkyd resins

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Polymer Technology
Tubeless tyres are made of __________ rubber, which is a co-polymer of isoprene & isobutylene.

Nitrile
Neoprene
Butyl
Silicone

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Polymer Technology
The physical state in which polymers exist is

Amorphous glassy state
Partially crystalline state
Melts & rubber like state
All of these

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Polymer Technology
The rate controlling step in the manufacture of silicone rubber is the

Polymer termination step
None of these
Condensation of siloxane to silicone
Initial hydrolysis of silicone monomer

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Polymer Technology
Orion is

All of these
Obtained by polymerising vinyl cyanide
A copolymer
A condensation polymer

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