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- 1. Multiple Choice
1. Identify the product based on the given features.
I. It is a man-made product.
II. It has a linear arrangement of monomer units.
III. It is used for making goods like toys, combs, containers, etc.
Lycra
Rayon
Thermosets
Thermoplastics
- 2. Multiple Choice
_________ is the first fully synthetic fibre.
Acrylic
Polyester
Nylon
Rayon
- 3. Multiple Choice
Paheli Is Taking Preparation For Her Final Examination. She Is Writing Some Statements About “Nylon” But She Confused To Know Whether The Statements Are Correct Or Not? Would You Help Her?
Nylon is the first fully synthetic fibre.
Nylon is made up of the repeating units of amide chemical.
Nylon is a thermosetting polymer.
Nylon fibres absorb very little water.
- 4. Multiple Choice
PET is a very familiar form of
chemical
monomer
polyester
polyphenyl
- 5. Multiple Choice
What of the following is used for making stockings and parachutes?
Bakelite
Wool
Nylon
Cotton
- 6. Multiple Choice
One of the advantages of nylon over rayon is that nylon:
Is wrinkle free.
Has low elasticity.
Is a natural fibre.
Is a good conductor of electricity.
- 7. Multiple Choice
Which of the following material is a mixture of two fibres?
Jute
Polywool
Polyester
Nylon
- 8. Multiple Choice
Which of the following is not manufactured from high-density polythene?
Containers
Pipes
Candles
Toys
- 9. Multiple Choice
Fibres of _______ resemble that of silk and hence, it is popularly known as ‘artificial silk’.
acrylic
polyester
rayon
nylon
- 10. Multiple Choice
Firefighters’ uniform is coated with a plastic that is fire resistant. Identify the plastic from the given options.
Teflon
Melamine
PET
Polyester
- 11. Multiple Choice
Identify the type of plastic that can best be used to make electrical switches.
PVC
Polythene
PET
Bakelite
- 12. Multiple Choice
Modern non-stick cookware and the flat end of an electric iron has a coating of a polymer. Identify the name of the polymer.
PVC
Rayon
Teflon
Polyester
- 13. Multiple Choice
Terylene is a popular form of
Polyester
Monomer
Plastic
Nylon
- 14. Multiple Choice
Select the correct option from the given statements.
Polymers cannot form fibres
Polymers can be both natural and synthetic
Polymer is a natural substance
Polymer is a synthetic substance
- 15. Multiple Choice
Which of the following groups contain only synthetic fibres?
Nylon, Terylene, Wool
Cotton, Polycot, Rayon
PVC, Polythene, Bakelite
Acrylic, Silk, Wool
- 16. Multiple Choice
Petrochemicals are
mixtures of petrol and chemical fertilizer.
materials obtained from petroleum refining.
mixtures of coal and petrol.
mixtures of wood and chemicals.
- 17. Multiple Choice
Assertion: Acrylic fibres are used in making socks and shawls.
Reason: Acrylic fibres are a replacement or woolen fibres.
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 correct for the assertion.
The assertion is true but the reason is false.
The assertion is false but the reason is true.
- 18. Multiple Choice
Pickles are stored in plastic bottles mainly because they are:
non-biodegradable
good insulators
durable
non-reactive
- 19. Multiple Choice
Polyethylene terephthalate belongs to which class of synthetic polymer?
Plastic
Polyolefin
Nylon
Polyester
- 20. Multiple Choice
In Which Of The Following Statement Is Or Are Incorrect?
Nylon was made in the year 1931.
Nylon developed in Netherlands and London.
Nylon is not attacked by moths and ordinary chemicals.
Nylon fibre have high abrasion resistance
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