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POLYMER TECHNOLOGY

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

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

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

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

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

Vinyl acetate
Vinyl chloride
Styrene
Propylene

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

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

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

Fibrous
Leathery
Hard
Rubbery

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