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Polymer Technology

Polymer Technology
Linear polymers are normally

Thermosetting
Elastometric
Having extremely high softening point
Thermosplastic

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Polymer Technology
Non sulphonated hard bakelites are not used for making

Fountain pen barrels
Formica table tops
Ion-exchange resins
Combs

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Polymer Technology
Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex?

Neither A nor B
Ammonium alum
Both A & B
Potassium alum

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Polymer Technology
Condensation polymerisation is not involved in the manufacture of

Terylene
Teflon
Nylon
Polythene

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Polymer Technology
The conversion of caprolactum in the above case is about __________ percent.

70
90
25
50

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Polymer Technology
Alkyd resin can not be used for making

Plasticiser
Paint & varnish
Fibres
Film forming materials

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