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Polymer Technology

Polymer Technology
Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids?

Nucleic acids
Proteins
Cellulose
Starch

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Polymer Technology
Polycaprolactum is also known as

SBR
Teflon
Nylon-66
Nylon-6

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

Bakelite
Teflon
Polythene
PVC

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Polymer Technology
Orion is

A condensation polymer
All of these
Obtained by polymerising vinyl cyanide
A copolymer

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Polymer Technology
Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their

Magnitude of intermolecular forces
Molecular sizes
Resistance to heat
Polymerisation mechanism

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Polymer Technology
Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6.

50 to 75
-20 to 25
250-280
100 to 150

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