Which of the following statements is not true about low-density polyethylene?

1. Tough

2.  Hard

3. Poor conductor of electricity

4.  Branched structure

Subtopic:  Application of Polymers |
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 The monomer unit present in the given polymer among the following is-
 

1. 2.
3. 4.
Subtopic:  Classification - Methods of Polymerization & Copolymerization |
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 Which of the following polymer can be formed by using the following monomer unit?

1. Nylon-6,6

2. Nylon-2-nylon-6

3. Melamine polymer

4. Nylon-6

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
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Match the polymer of Column I with the correct monomer of Column II

Column I Column II
A. High-density polymer 1. Isoprene
B. Neoprene 2. Tetrafluoroethene
C. Natural rubber 3. Chloroprene
D. Teflon 4. Ethene

Codes

A B C D
1. 2 3 4 1
2. 3 1 4 2
3. 4 3 1 2
4. 4 3 2 1
Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
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Match the polymers given in Column I with their chemical names given in Column II.

Column I Column II
A. Nylon-6 1. Polyvinyl chloride
B. PVC 2. Polyacrylonitrile
C. Acrilan 3. Polycaprolactum
D. Natural rubber 4. cis-polyisoprene

Codes

A B C D
1. 2 3 4 1
2. 3 1 2 4
3. 1 4 3 2
4. 4 3 2 1
Subtopic:  Classification - Methods of Polymerization & Copolymerization |
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Match the polymers given in Column I with their commercial names given in Column II.

Column I Column II
A. Polyester of glycol and phthalic acid 1. Novolac
B. Copolymer of 1, 3-butadiene and styrene 2. Glyptal
C. Phenol and formaldehyde resin 3. Buna-S
D. Copolymer of 3-butadiene and                       acrylonitrile 4. Buna-N

Codes

A B C D
1. 2 3 1 4
2. 3 1 4 2
3. 2 4 3 1
4. 4 3 2 1
Subtopic:  Polymers: Natural & Synthetic, Biodegradable & Non Biodegradable |
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Match the following:

Column I Column II
A. Bakelite 1. Squeeze bottles
B. Low-density polyethylene 2. Unbreakable crockery
C. Melamine-formaldehyde resin 3. Tyre, cords
D. Nylon- 6 4. Electrical switches


Codes

A B C D
1. 2 3 4 1
2. 4 1 2 3
3. 1 4 3 2
4. 4 3 2 1
Subtopic:  Application of Polymers |
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Match the polymers given in Column I with the preferred mode of polymerization followed by their monomers in Column II.

Column I

Column II

A. Nylon- 6, 6
B. PVC
C. HDP
1. Free radical polymerisation
2. Ziegler-Natta polymerisation or coordination polymerisation
3. Anionic polymerisation
4. Condensation polymerisation

Codes

          A         B          C           

1.       2          3           4           

2.       3          1           2          

3.       1          4           3           

4.       4          1           3           

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
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Match the polymers given in Column I with the type of linkage present in them given in Column II.

Column I

Column II

A. Terylene
B. Nylon
C. Cellulose
D. Protein
E. RNA

1. Glycosidic linkage
2. Ester linkage
3. Phosphcxdiester linkage
4. Amide linkage
5. Amide

Codes

          A          B           C         D       E

1.       2          5           1         4       3

2.       3          1           5         2       4

3.       5          4           3         2       1

4.       4          3           2         1       5

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
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Match the materials given in Column I with the polymers given in Column II.

Column I Column II
A. Natural rubber latex 1. Nylon
B. Wood laminates 2.  Dacron
C. Ropes and fibers 3. Urea-formaldehyde resins
D. Polyester fabric 4. cis-polyisoprene

Codes

A B C D
1. 2 3 4 1
2. 3 4 1 2
3. 1 4 3 2
4. 4 3 1 2

Subtopic:  Application of Polymers |
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