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Polymer Technology

Polymer Technology
__________ scrap can be recycled & reutilised.

None of these
Bakelite
Epoxy resin
Polythene

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Polymer Technology
Valcunisation of rubber decreases its

Tackiness
Working temperature range
Resistance to organic solvents
Tensile strength

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Polymer Technology
Polyesters are manufactured by the polycondensation reaction of

A single monomer
Dibasic acid with dihydric alcohol
Inorganic acid with ethylene glycol
Carboxylic acid with ethylene

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Polymer Technology
Rayon is superior to cotton in making gauge for wound treatment, because rayon

Does not stick to the wound unlike cotton
Both B & C
Is a synthetic polymer
Can absorb over 90% of its own weight of water

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Polymer Technology
Polymers are

Macromolecules
Sub-micromolecules
Micromolecules
None of these

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Polymer Technology
Poly tetra flouro ethylene (PTFE) is known as

Celluloid
Bakelite
Teflon
Dacron

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