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Polymer Technology

Polymer Technology
The monomer of natural rubber is

DMT
2 methyl-1-propene
Both B and C
Isoprene

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Polymer Technology
Thiokol is nothing but

Polysulphide rubber
Exponded polystyrene
Polyamide fibre
Engineering plastic

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Polymer Technology
__________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR.

Percent elongation
Resilience
Strength
Freezing point

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Polymer Technology
Which of the following is not a polymer of two monomers?

None of these
Teflon
Bakelite
SBR

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Polymer Technology
Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styrene-acrylonitfile copolymer with butadiene based elastomer, is a/an

Rigid foam
Thermosetting polymer
Spongy rubber
Engineering plastic

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Polymer Technology
Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800?

50000
51600
49200
50800

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