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Polymer Technology

Polymer Technology
Linear polymers are normally

Elastometric
Thermosetting
Thermosplastic
Having extremely high softening point

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

Molybdenum
Nickel
Platinum
Aluminium triethyl activated with TiCl₄

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Polymer Technology
Dacron (or terylene) fibres as compared to nylon fibres have

All of these
Poorer resistance to alkalis
Poorer dyeability
Better heat & acid resistant properties

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Polymer Technology
Terylene is a/an

Poly amide
Homopolymer
None of these
Addition polymer

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Polymer Technology
The physical state in which polymers exist is

Melts & rubber like state
All of these
Amorphous glassy state
Partially crystalline state

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Polymer Technology
Cation exchange resins used in water treatment is made from __________ resin.

Phenolic
Amino
Urea formaldehyde
Epoxy

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