Q. No.Which of the following statements is not true about low-density polyethylene?
1. Tough
2. Hard
3. Poor conductor of electricity
4. Branched structure
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
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 |
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 |
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 |
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 |
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 | 1. | Free radical polymerisation |
| B. | PVC | 2. | Ziegler-Natta polymerisation or coordination polymerisation |
| C. | HDP | 3. | Anionic polymerisation |
| 4. | Condensation polymerisation | ||
Codes
| Options: | A | B | C |
| 1. | 2 | 3 | 4 |
| 2. | 3 | 1 | 2 |
| 3. | 1 | 4 | 3 |
| 4. | 4 | 1 | 3 |
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 |
Codes
| Options: | 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 |
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 |
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