Questions
Which of the following is not a synthetic fibre?
- Nylon
- Rayon
- Silk
- Polyester
- Acrylic
Which of the following fibres is used to make parachutes?
- Acrylic
- Rayon
- Silk
- Polyester
- Nylon
Which of the following fibres is used to make ropes for rock climbing?
- Nylon
- Rayon
- Silk
- Polyester
- Acrylic
Which of the following fibres is called artificial silk?
- Nylon
- Rayon
- Terylene
- Polyester
- Acrylic
Which synthetic fibre is prepared from coal, water and air?
- Nylon
- Rayon
- Terylene
- Polyester
- Acrylic
Some shawls and blankets used by people in winter season may not be made from natural wool. Which of the following is the artificial wool used to make shawls and blankets?
- Nylon
- Rayon
- Terylene
- Teflon
- Acrylic
What is terylene?
- A thermosetting plastic
- A material used to make uniforms of firemen
- A popular polyester
- A material used in non-stick cookware
- A material known as artificial silk
Non-stick cookware is made with a coating of ______.
- nylon
- bakelite
- terylene
- teflon
- acrylic
Which of the following is used for making electrical switches?
- Nylon
- Bakelite
- Terylene
- Teflon
- Acrylic
A special property of a particular material is used in saving lives. It also ensures safety of the person who wears it during a rescue operation. Which fibre is being mentioned here?
- PET
- Polycot
- Nylon
- Melamine
- Rayon
Which of the following is not a use of plastics in the healthcare industry?
- Packaging of tablets
- Making of threads to stitch wounds
- Making of syringes
- Making of medical instruments
- Making of non-stick cookware
Which of the following is not a property of plastics?
- They are non-reactive.
- They are good conductors of electricity
- They are poor conductors of heat
- They are light, strong and durable.
- Since they are light-weight, they are easy to handle.
Fabrics made of synthetic fibres should not be used while working in the kitchen. What could be the best reason for it?
- They are expensive.
- They are light-weighted.
- They catch fire easily.
- They are poor conductors of electricity.
- They are long lasting.
Plastics should be avoided as far as possible. Which of the following statements is not a correct explanation for it?
- They are biodegradable.
- Burning of plastics releases poisonous fumes.
- They cause pollution.
- They take years to decompose.
- They can be swallowed by animals.
Why are handles of frying pans made of plastic?
- Plastics degrade easily.
- They are cheap.
- Poor conductors of electricity
- They are light-weighted.
- Poor conductors of heat