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Polymer Technology

Polymer Technology
Bakelite is a/an

Thermoplastic
Addition polymer
None of these
Elastomer

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Polymer Technology
Mastication of rubber means

Improving its curing rate
Depression of its freezing point
Its softening
A treatment to retard its deterioration due to oxidation

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Polymer Technology
Which of the following is an inorganic polymer?

Teflon
Silicones
Bakelite
Perspex

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Polymer Technology
__________ is a copolymer.

PVC
Nylon-66
Poly tetra flouro ethylene
Polyrophylene

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Polymer Technology
Most commonly used rubber vulcanisation agent is

Platinum
Sulphur
Alumina
Bromine

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Polymer Technology
Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is

1 kgf/cm² (gage) and 70°C
7 kgf/cm² and 70 °C
7 kgf/cm² and 700°C
1000 kgf/cm² and 100°C

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