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प्रश्न
Nandhini brings his lunch every day to school in a plastic container which has resin code number 5. The container is made of ______.
विकल्प
Polystyrene
PVC
Polypropylene
LDPE
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उत्तर
Nandhini brings his lunch every day to school in a plastic container which has resin code number 5. The container is made of Polypropylene
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संबंधित प्रश्न
Explain why plastic containers are favoured for storing food.
Describe an activity to show that thermoplastic is a poor conductor of electricity.
Motor cars are coated with ____________.
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.
Write short note.
Uses of plastic.
What are the uses of plastic?
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%.
Pet name for Buckminster Fullerene is ______.
Assertion (A): PVC is an unsafe plastic.
Reason (R): Burning PVC releases dioxins, a most toxic chemical.
