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POLYMER TECHNOLOGY

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

Polyisoprene
Polysaccharides
Polyurethane
Nucleic acids e.g. RNA and DNA

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Polymer Technology
Which of the following is stretched into fibres?

Isoprene
Saturated polyester
Unsaturated polyester
Bakelite

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Polymer Technology
Addition of stabiliser during PVC manufacture is done to

Reduce the melt viscosity & glass transition temperature
Improve its impact strength
Prevent its thermal degradation
Improve its elasticity

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Polymer Technology
Addition polymerisation is not involved in the manufacture of

Polystyrene
Polyhexamethylene adipamide
Poly vinyl chloride
Low density polythene

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Polymer Technology
Condensation polymerisation is not involved in the manufacture of

Terylene
Teflon
Nylon
Polythene

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