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प्रश्न
Plastic articles are available in all possible shapes and sizes. Can you tell why?
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उत्तर
Plastics can be easily moulded, so they are used to make a large variety of articles (or objects) having different shapes and sizes.
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संबंधित प्रश्न
Plastic shows ______ property, hence it can be moulded to any shape.
Who is my partner?
| 'A' column | 'B' column |
| a. Lead glass | i. Plates |
| b. Bakelite | ii. Mattresses |
| c. Thermocol | iii. Electric bulb |
| d. Optic glass | iv. Electric switch |
| e. Polypropylene | v. Lens |
Distinguish between.
Man made material and natural material.
Give example of material that can be used again.
A plastic bag dumped in the soil stays without breaking down for 500 years. If a new generation starts in every 30 years, how many generations would it take to see the plastic bag finally broken down?
The material which is commonly used for making kitchen containers is ______.
Mention a few household products in which microbeads can be found.
Pet name for Buckminster Fullerene is ______.
Answer the following by rearranging the jumbled letters :
Expanded polystyrene is commercially known as ______.
mthreolco
Give some examples of one-time-use plastic.
