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Polymer Technology

Polymer Technology
Starting material for the production of butadiene in India is

Naphthalene
Ethyl alcohol
Phthalic anhydride
Benzol

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Polymer Technology
Nylon 6 as compared to nylon 6, 6 has lower

Adhesion to rubber
Abrasion resistance
Thermal stability
Hardness

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Polymer Technology
Molecular weights of plastics ranges from

10⁹ to l0¹¹
20000 to 25000
1000 to 5000
5000 to 1000

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Polymer Technology
Which of the following is stretched into fibres?

Isoprene
Bakelite
Unsaturated polyester
Saturated polyester

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Polymer Technology
Vulcanisation of raw rubber makes it

Soft
Plastic
Tacky
Less elastic

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Polymer Technology
Starting material for the production of SBR is

Ethylene
Both A & B
Neither A nor B
Ethyl alcohol

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