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Polymer Technology

Polymer Technology
__________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine.

Amino
Phenolic
Epoxy
Alkyd

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

25
90
70
50

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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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Polymer Technology
Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding

Glycerol
None of these
Nitro cellulose
Camphor

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Polymer Technology
Nylon-6 as compared to nylon-66 is

Harder
Having higher melting point
None of these
More abrasion resistant

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Polymer Technology
Main constituent of cotton fibre is

Lignin
Starch
Gelatine
Cellulose

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MORE MCQ ON Polymer Technology

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