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Polymer Technology

Polymer Technology
Unbreakable crockeries are made from __________ polymers.

Melamine
Polystyrene
Polyurathane
Polystyrene

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Polymer Technology
Polyesters are manufactured by the polycondensation reaction of

Carboxylic acid with ethylene
A single monomer
Dibasic acid with dihydric alcohol
Inorganic acid with ethylene glycol

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Polymer Technology
Glyptal used in the manufacture of paints & lacquers is a __________ polymer.

Polyester
Polystyrene
Polyacrylonitrile
Polyamide

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Polymer Technology
Silicone resins, which are highly water repellant and has good heat resistance can not be used

Hydraulic fluid for heat transfer
As room temperature adhesive
Resin for lamination
As grease & lubricant

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Polymer Technology
The synthetic fibres produced from __________ are known as rayon.

Polyamides
Ethylene glycol
Lignin
Cellulose

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Polymer Technology
Most commonly used rubber vulcanisation agent is

Sulphur
Platinum
Alumina
Bromine

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