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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
Fill in the blanks with appropriate words.
Like synthetic fibres, plastic is also a _______
Explain the difference between thermoplastic and thermosetting plastics.
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
Thermoplastic and thermosetting plastic.
What are the demerits of plastic?
Why should we be careful in using plastic bags to store cooked food items?
Read the following information and convert them into a graph to compare the countries and the amount of plastic they use.
China contributes the highest share - that is around 28%, of the total plastic used globally. Indonesia uses 10%, both the Philippines and Vietnam use 6% each; Thailand uses 3.2%, Egypt 3%, Nigeria 2.7% and South Africa 2%.
Nandhini brings his lunch every day to school in a plastic container which has resin code number 5. The container is made of ______.
A syringe that is made from a type of plastic called ______.
What are the drawbacks of plastics?
