EASY
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Monomers of natural rubber and neoprene are respectively:

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Important Questions on Polymers

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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Natural rubber has unit in its structure.
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Which one of the following structures represents the neoprene polymer?
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Which one of the following monomer is used to prepare Neoprene?
MEDIUM
Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Which statement is correct?
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Natural rubber has:
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
The structure of Neoprene is :
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Which one of the following structures represents the neoprene rubber?
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Natural rubber is a polymer of
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Neoprene is a
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Which of the following monomers is used in manufacture of Neoprene rubber?
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Chloroprene is used as a repeating unit for which of the following polymer.
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Cis-1,4-polyisoprene is called
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Styrene-butadiene elastomers (SBR) are the largest-volume synthetic rubber in the world. What is the ratio of butadiene : styrene in SBR?
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
In polymer Buna-S:'S' stands for:
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Which of the following rubbers is not a polydiene?
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
The material used by dentists in root canals is
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
In Buna-S, letter S corresponds to
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
Which one of the following statements is not correct?
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Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers

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
Chemistry>Organic Chemistry>Polymers>Natural and Synthetic Rubbers
On complete hydrogenation, natural rubber produces