Fibre
Trending Questions
Q. Which of the following is not a characteristic features of fibres?
- High tensile strength
- Amorphous structure
- Close packing of chains
- Strong intermolecular forces
Q. Which of the following polymer is an example of fibre?
- Dacron
- Nylon-6, 6
- All of these
- Silk
Q. The intermolecular forces between the molecular chains of fibres are?
- Vander Waals' forces
- Hydrogen bonds
- Dipole-dipole interactions
- Cross-links
Q.
Which of the following polymers are used as fibre?
(a) Polytetrafluoroethane
(b) Polychloroprene
(c) Nylon
(d) Terylene
Q. Which of the following polymer is an example of fibre?
- Dacron
- Silk
- Nylon-6, 6
- All of these
Q. Which of the following is not a characteristic features of fibres?
- High tensile strength
- Amorphous structure
- Strong intermolecular forces
- Close packing of chains
Q. The intermolecular forces between the molecular chains of fibres are?
- Dipole-dipole interactions
- Vander Waals' forces
- Hydrogen bonds
- Cross-links
Q. Which of the following fibre is also known as regenerated fibre?
- Nylon
- Rayon
- Polyester
- Acrylon
Q. Assertion: It is advised not to wear synthetic clothes while working in a laboratory.
Reason: The synthetic fibre melts on heating.
Reason: The synthetic fibre melts on heating.
- Both assertion and reason are true and the reason is the correct explanation of assertion.
- Both assertion and reason are true but the reason is not the correct explanation of assertion.
- The assertion is true but the reason is false.
- The assertion is false but the reason is true.
Q. Which of the following has the same monomer unit?
- Nylon and cellulose
- Polyester and nylon
- Cellulose and rayon
- Rayon and nylon