- 1(current)
Q. No.Correct statement regarding polymer among the following is -
| 1. | High molecular mass macromolecules |
| 2. | Consist of repeating structural units derived from monomers |
| 3. | Can be natural as well as synthetic |
| 4. | All of the above |
Subtopic: Classification - Methods of Polymerization & Copolymerization |
92%
Level 1: 80%+
Hints
Polymers can be classified on the basis of structure as -
1. Branched chain polymers
2. Linear polymers
3. Cross-linked or Network polymers
4. All of the above
1. Branched chain polymers
2. Linear polymers
3. Cross-linked or Network polymers
4. All of the above
Subtopic: Classification - Methods of Polymerization & Copolymerization |
94%
Level 1: 80%+
Hints
Match the items in column I with column II.
1. a- ii; b-i; c-ii; d-i
2. a-i, b-ii, c-i, d-ii
3. a-ii; b-ii; c-i; d-i
4. a-i; b-i; c-ii; d-ii
| Column I | Column II |
| a. Terylene | i. Addition polymers |
| b. Bakelite | ii. Condensation polymers |
| c. Polyvinyl chloride | |
| d. Polythene |
1. a- ii; b-i; c-ii; d-i
2. a-i, b-ii, c-i, d-ii
3. a-ii; b-ii; c-i; d-i
4. a-i; b-i; c-ii; d-ii
Subtopic: Classification - Methods of Polymerization & Copolymerization |
78%
Level 2: 60%+
Hints
| Statement I: | Buna-N and Buna-S are example of copolymer. |
| Statement II: | Buna − N monomers are 1, 3−butadiene and acrylonitrile, and Buna-S monomers are 1, 3−butadiene and styrene. |
1. Both Statement I and II are true.
2. Statement I is true and statement II is false.
3. Both Statement I and II are false.
4. Statement I is false, Statement II is true.
Subtopic: Classification - Methods of Polymerization & Copolymerization |
87%
Level 1: 80%+
Hints
- 1(current)
Q. No.
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