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POLYMER TECHNOLOGY

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

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

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Polymer Technology
Thermosetting polymers as compared to thermoplastic polymers

None of these
Have linear structure
Have three dimensional structure
Are formed by addition polymerisation

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Polymer Technology
Which of the following is the lowest cost plastic commercially available?

Polythene
PVC
Bakelite
Teflon

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Polymer Technology
Polystyrene is a light, transparent, thermoplastic material used for making

Toys and combs
Non-sticking utensils
Electrical insulation
Packaging bags

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Polymer Technology
The physical state in which polymers exist is

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

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