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Chemical Engineering - Polymer Technology

Exercise : Polymer Technology - Section 1
16.
Which of the following low molecular weight (<104 ), soft & waxy polymer is used in chewing gum ?
Cellulose acetate
Polyvinyl acetate
Thiokol
PVC
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Buna-S is a __________ material.
fibrous
plastic
resinous
rubbery
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Zeigler - Natta catalyst (AlR3 - AlCl3) is used in the polymerisation of
vinyl acetate
vinyl chloride
propylene
styrene
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of
cold SBR
butyl rubber
Bunai N
Buna S
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Neoprene is a
monomer
synthetic rubber
polyester
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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