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- 1. Multiple Choice
The synthetic fibres are also called _____________.
Man-made fibres
plant fibres
nylon fibres
none of these
- 2. Multiple Choice
The word polymer comes from a _______word.
Latin
Greek
Tamil
English
- 3. Multiple Choice
____________fibre is called artificial silk.
Nylon
Rayon
Polyester
chemical silk
- 4. Multiple Choice
Nylon was made in _________without using any natural raw material.
water
1931
2001
none of these
- 5. Multiple Choice
The full form of PET is___________________________.
Polyethylene Terephtalate
Polyethylene Terephthalate
PolyTerephthalate
PET has no full form
- 6. Multiple Choice
Plastic reacts with diluted acids
True
False
- 7. Multiple Choice
Low density Polythene is used to make___________.
Flexible pipes
Dustbins
Bags
Containers
- 8. Multiple Choice
Thermoplastics have ___________________arrangement.
linear
crosslinked
- 9. Multiple Choice
Teflon can resist flame, water, and oil, It is a ________________.
Thermosetting plastic
Thermoplastic
- 10. Multiple Choice
Bakelite is used to make _________________.
Handles of cookware
crockeries
floor tiles
fireman clothing
- 11. Multiple Choice
Disposable cups ,bowls, plates are made from _______________.
Polythene
PVC
Polystyrene
Melamine
- 12. Multiple Choice
____________plastics can be reheated and remolded.
Thermo
Thermosetting
Semi
- 13. Multiple Choice
____________is one of the 4Rs.
Recover
Regenerate
Rescue
none of these
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