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Polymer Technology

Polymer Technology
Most commonly used rubber vulcanisation agent is

Alumina
Bromine
Platinum
Sulphur

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Polymer Technology
Catalyst used in the production of high density polythene by low pressure Ziegler process is

Aluminium triethyl activated with TiCl₄
Platinum
Nickel
Molybdenum

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Polymer Technology
Thermosetting resins/polymers as compared to thermoplastic ones are

Easily reshaped & reused
Formed by addition polymerisation only
Soluble in all organic solvents
More brittle

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Polymer Technology
Plastic tubes & pipes are generally made by __________ moulding.

Injection
Compression
Extrusion
Transfer

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Polymer Technology
Glyptal used in the manufacture of paints & lacquers is a __________ polymer.

Polystyrene
Polyester
Polyamide
Polyacrylonitrile

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Polymer Technology
Bakelite is a/an

Thermoplastic
Elastomer
Addition polymer
None of these

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