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Polymer Technology

Polymer Technology
Perspex can be used as a substitute of glass. Its monomer is

DMT
Methyl methacrylate
Tetrafluroethylene
Butadiene

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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
Epoxy
Phenol formaldehyde
Melamine formaldehyde

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Polymer Technology
__________ polymer is used for making unbreakable crockery.

Thermoplastic
None of these
Addition
Melamine

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Polymer Technology
Which of the following polymers shows the highest anti-tacking properties?

Melamine formaldehyde resin
Epoxy resin
Phenolic resin
Alkyd resin

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Polymer Technology
90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C.

250-280
-5
500-600
10-30

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Polymer Technology
Dacron (or terylene) fibres as compared to nylon fibres have

All of these
Poorer resistance to alkalis
Better heat & acid resistant properties
Poorer dyeability

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