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Polymer Technology

Polymer Technology
__________ polymer is used for making unbreakable crockery.

Thermoplastic
Addition
None of these
Melamine

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Polymer Technology
Bakelite (phenol-formaldehyde) resin can not be used as

Electrical insulation
Glass reinforced plastics
Decorative paint
Decorative laminates

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Polymer Technology
Polyesters are manufactured by the polycondensation reaction of

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

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Polymer Technology
Thermosplastic materials

Are solvent insoluble
None of these
Are heavily branched molecules
Do not soften on application of heat

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Polymer Technology
Starting material for the production of butadiene in India is

Phthalic anhydride
Benzol
Ethyl alcohol
Naphthalene

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Polymer Technology
Lavatory cisterns are normally made of

Expanded polystyrene
Saturated polyester
Perspex
PVC

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