Q. No.
Match list-I with list-II:
| List-I (Monomers) |
List-II (Polymers) |
||
| (a) | Caprolactam | (i) | Bakelite |
| (b) | Ethylene glycol and Benzene-1, 4-dicarboxylic acid | (ii) | Nylon 6, 6 |
| (c) | Hexamethylenediamine and adipic acid | (iii) | Nylon-6 |
| (d) | Phenol and Formaldehyde | (iv) | Terylene |
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (iii) | (iv) | (i) |
| 2. | (i) | (ii) | (iii) | (iv) |
| 3. | (iii) | (iv) | (ii) | (i) |
| 4. | (iv) | (ii) | (i) | (iii) |
Which one of the following polymers are prepared by addition polymerization?
1. Novolac
2. Dacron
3. Teflon
4. Nylon-66
The natural polymer among the following options is:
1. Poly(Butadiene-styrene)
2. Polybutadiene
3. Poly(Butadiene-acrylonitrile)
4. Cis-1,4-polyisoprene
The correct statement regarding Bakelite is :
1. It is a cross linked polymer.
2. It is an additional polymer.
3. It is a branched chain polymer.
4. It is a linear polymer.
The polymer that is used as a substitute for wool in making commercial fibres is -
1. Melamine
2. Nylon-6, 6
3. Polyacrylonitrile
4. Buna-N
Incorrect statement regarding cross-linked or network polymers is:
| 1. | They contain covalent bonds between various linear polymer chains. |
| 2. | They are formed from bi and tri functional monomers. |
| 3. | Examples are bakelite and melamine. |
| 4. | They contain strong covalent bonds in same polymer chain. |
Natural rubber has:
1. All trans-configuration
2. Alternate cis - and trans-configuration
3. Random cis - and trans-configuration
4. All cis-configuration
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