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प्रश्न
______ are used to identify different types of plastics.
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उत्तर
Resin codes are used to identify different types of plastics.
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संबंधित प्रश्न
Explain why plastic containers are favoured for storing food.
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 |
Explain the effect of following materials on environment and human health.
1. Plastic
2. Glass
3.Thermocol.
Can you replace the following packaging material with those which can be recycled or reused.
Dry eatables in polythene.
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%.
Which is a thermosetting plastic?
What are the drawbacks of plastics?
Pet name for Buckminster Fullerene is ______.
Polycarbonate (PC) plastic contains ______.
Answer the following by rearranging the jumbled letters :
One-time use of plastics causes ______ damage.
trnvomenialne
