EASY
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Buna -N is a polymer of

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Important Questions on Polymers

EASY
Natural rubber has unit in its structure.
EASY
Which one of the following structures represents the neoprene polymer?
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Which one of the following monomer is used to prepare Neoprene?
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Which one of the following structures represents the neoprene rubber?
MEDIUM
Which of the following monomers is used in manufacture of Neoprene rubber?
EASY
Chloroprene is used as a repeating unit for which of the following polymer.
MEDIUM
Styrene-butadiene elastomers (SBR) are the largest-volume synthetic rubber in the world. What is the ratio of butadiene : styrene in SBR?
EASY
Which of the following rubbers is not a polydiene?
EASY
The material used by dentists in root canals is
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Which one of the following statements is not correct?
MEDIUM

The correct match between item - I and item - II is :

  Item - I   Item - II
(a) Natural rubber (I) 1, 3-butadiene + styrene
(b) Neoprene (II) 1, 3-butadiene
(c) Buna-N (III) chloroprene
(d) Buna-S (IV) Isoprene

 

HARD
On complete hydrogenation, natural rubber produces