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POLYMER TECHNOLOGY

Polymer Technology
A copolymer is formed by the combination of two or more monomer molecules

Of the same monomer by elimination of small molecules of water
None of these
In a chain without the elimination of water
With the elimination of small amount of water

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

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

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Polymer Technology
Zeigler - Natta catalyst (AlR₃ - AlCl₃) is used in the polymerisation of

Styrene
Propylene
Vinyl acetate
Vinyl chloride

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Polymer Technology
Size range of polymer molecules varies from __________ metre.

10⁻¹ to 10⁻²
10⁻⁴ to 10⁻⁷
10⁻² to 10⁻⁵
10⁻⁸ to 10⁻¹⁰

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Polymer Technology
__________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate.

Leathery
Hard
Rubbery
Fibrous

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