Identify the incorrect statement
A. Bakelite and urea-formaldehyde resins are elastomers
B. Polyamides like nylon 6, nylon 6, 6 are the examples of fibers.
C. Polystyrene, polyvinylchloride and polythene are thermoplastic polymers.
D. Thermoplastic polymers have intermolecular force between elastomers and fibers.
Choose the most appropriate answer from the options given below:
This question was previously asked in
Shift 02/06/2023 3:30 PM - 6:30 PM
A
B and C only
B
D and A only
C
A only
D
C and D only
Correct Answer
A only
Detailed Explanation
3. A only
Bakelite and urea-formaldehyde resins are not elastomers; they are thermosetting plastics. Elastomers are rubbery materials that can stretch and return to their original shape, while thermosetting plastics, like Bakelite and urea-formaldehyde resins, harden irreversibly when heated.
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