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Polymer Technology

Polymer Technology
Hot drink (e.g, tea) cups are usually made of

Polythene
Polystyrene
PVC
Polypropylene

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Polymer Technology
Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins.

Urea formaldehyde
Phenol formaldehyde
Melamine formaldehyde
Epoxy

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Polymer Technology
Which of the following is generally not used as eord for synthetic rubber tyre casing?

None of these
Dacron
Cellulose
Nylon

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Polymer Technology
Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces

Alkyd resin
Epoxy resin
Polyamide
Phenolic resin

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Polymer Technology
Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as

Hardeners
Anti-shrinkage agents
Plasticisers
Transparency improver

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Polymer Technology
Polyvinyl alcohol is used as a

Non-sticky coating on frying pans
Textile fibre
Water soluble adhesive
Cation/anion exchanger

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