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Polymer Technology

Polymer Technology
Ebonite is a/an

Highly vulcanised rubber
Unvulcanised raw rubber
Natural rubber
Adhesive

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Polymer Technology
Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent.

1500-2000
1-1000
2000-2500
1000-1500

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

Decorative paint
Decorative laminates
Electrical insulation
Glass reinforced plastics

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Polymer Technology
β - glucose is the monomer of

Starch
Cellulose
None of these
Protein

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Polymer Technology
Liners of bags are usually made of

Polypropylene
Polyesters
Polythene
PVC

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Polymer Technology
Molecular weight of polymers are in the range of

10⁹-10¹¹
10⁷-10⁹
10²-10⁷
10 to 10³

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