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Polymer Technology

Polymer Technology
Which of the following is not a polyolefin?

Polystyrene
Neoprene
Polypropylene
None of these

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Polymer Technology
Density of high density polythene is about __________ gm/c.c.

1.05
0.99
0.95
1.18

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Polymer Technology
Polythene is a/an

Condensation polymerisation product
Addition polymerisation product
Thermosetting material
None of these

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Polymer Technology
The starting material used for the manufacture of caprolactum is

DMT
Cyclohexane
Ethylene glycol
Ethyl benzene

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Polymer Technology
Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butediene rubber) are

250°C and 10 kgf/cm²
50°C and 3 - 4 kg/cm²
50°C and 1 kgf/cm²
250°C and 1 kgf/cm²

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Polymer Technology
The monomer for the production of neoprene rubber is

Acetylene
Chloroprene
None of these
Isoprene

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