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Chemical Engineering - Polymer Technology

Exercise : Polymer Technology - Section 6
6.
Polycaprolactum (Nylon - 6) is produced by the condensation polymerisation of caprolactum at 240-280°C in which the conversion of caprolactum is about __________ percent.
50
75
90
99
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Viscose rayon is
cellulose nitrate
regenerated cellulose nitrate
regenerated cellulose acetate
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Hot drink (e.g, tea) cups are usually made of
polystyrene
polythene
polypropylene
PVC
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Pick out the wrong statement.
For the manufacture of styrene, the major raw materials are benzene and ethylene.
One inportant copolymer of styrene is SBR, which is widely used in the manufacture of automobile tyres.
Manufacture of phenol by chloroben-zene-eaustic process involves. The chlorination of benzene, causticisation and hydrolysis.
Phenol manufacture by chlorobenzene-caustic process is competitive even when low cost chlorine is not available.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Polyurathane can not be used for making
mattresses & foam
coating material
adhesives
bottles
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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