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Chemical Engineering - Polymer Technology

Exercise : Polymer Technology - Section 2
6.
Rayon is superior to cotton in making gauge for wound treatment, because rayon
is a synthetic polymer.
does not stick to the wound unlike cotton.
can absorb over 90% of its own weight of water.
both (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
__________ is a thermosetting plastic.
PVC
Polythene
Bakelite
polystyrene
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
__________ is a natural fibre.
Cellulose
Dacron
Nylon-6
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Pick out the wrong statement.
Polymeric fibres are never produced by addition polymerisation.
Property of tackiness is exhibited by uncured rubber.
Sharp melting point is not observed in thermoplastic polymers.
Polythene generally has an excellent resistance to ultra violet rays.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Perspex can be used as a substitute of glass. Its monomer is
methyl methacrylate
DMT
butadiene
tetrafluroethylene
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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