Among the given options , the one that is not fibre is: 

1. Terylene.

2. Nylons.

3. Polyacrylonitrile.

4. Polychloroprene.

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 60%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which of the following cannot be grouped as polyolefins?

(1) Polystyrene                     

(2) Polypropene

(3) Polystyrene                     

(4) Polyoxyethene

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 60%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The monomer units of PTFE are:

(1) Cl2CH-CH3

(2) F2C=CF2

(3) F3C-CF3

(4) FClC=CF2

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 87%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Among the given polymers, an example of homopolymer is:

1. Bakelite

2. Nylon-6,6

3. Terylene

4. Neoprene

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 79%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Number average molecular mass (Mn) and mass average
mol. mass (M¯w)of synthetic polymers are related as:

(1) Mn < M¯w

(2) Mn > M¯w

(3) Mn = M¯w

(4) Mn > Mw

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 51%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Which of the following is wrong?

1. PMMA is called plexiglass

2. PTFE is called teflon

3. SBR is called natural rubber

4. LDPE is called low density polyethylene

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 68%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Nylons, polyesters, and cotton, all possess strength due to:

1. intermolecular H-bonding

2. van der Waals’ attraction

3. dipole-dipole interaction

4. None of the above

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 74%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

PDI for natural polymers is generally close to:

(1) zero                             

(2) 100

(3) 1                                   

(4) 10

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 53%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The catalyst used in the manufacture of polythene by the Ziegler method is:

1. titanium tetrachloride and triphenyl aluminum

2. titanium tetrachloride and triethyl aluminium

3. titanium dioxide

4. titanium isopropoxide

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 85%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

 Which of the following is a step-growth polymer?

1. Bakelite

2. Polyethylene

3. Teflon

4. PVC

Subtopic:  Classification - Methods of Polymerization & Copolymerization |
 74%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch