Q. No.| I: | High density polythene is formed in the presence of catalyst triethylaluminium and titanium tetrachloride. |
| II: | High density polymers are chemically inert. |
In the light of the above statements, choose the correct answer from the options given below:
1. Statement-I is correct but Statement-II is false.
2. Statement-I is incorrect but Statement-II is true.
3. Both Statement-I and Statement- II are true.
4. Both Statement-I and Statement-II are false.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | Thermosetting polymers are reusable |
| 2. | Elastomers have polymer chains held together by weak intermolecular forces |
| 3. | Fibers possess high tensile strength |
| 4. | Thermoplastic polymers are capable of repeatedly softening and hardening on heating and cooling respectively |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch 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) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Bakelite
2. Polythene
3. Urea-formaldehyde resin
4. Melamine polymer
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
A biodegradable polymer that can be prepared from glycine and aminocaproic acid is:
1. Nylon 2-nylon 6
2. PHBV
3. Buna-N
4. Nylon-6,6
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe example of a thermosetting polymer among the following options is:
| 1. |  |
| 2. |  |
| 3. |  |
| 4. |  |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich is the monomer of Neoprene in the following?
| 1. |  |
2. |  |
| 3. | \(CH_2=CH-C\equiv H\) | 4. | \(CH_2=CH-C=CH_2\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyNylon is an example of:
1. Polysaccharide
2. Polyamide
3. Polythene
4. Polyester
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following is not a condensation polymer?
1. Melamine
2. Glyptal
3. Dacron
4. Neoprene
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe polymer that can be classified as polyster polymer is:
1. Bakelite
2. Melamine
3. Nylon-66
4. Terylene
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
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