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प्रश्न
Write uses of PVC.
Mention some of the important uses of the PVC polymer.
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उत्तर
- It is used for making bottles.
- It is used for making material for pipes.
- It is used for making handbags.
- It is used for making electric cable insulation.
- It is used for making high-quality furniture.
- It is used for making ropes.
- It is used for making toys.
- It is used for making a raincoat.
संबंधित प्रश्न
Explain why plastic containers are favoured for storing food.
Explain the difference between thermoplastic and thermosetting plastics.
Explain why the following is made of thermosetting plastics.
Saucepan handles
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 |
True or False
Refuse (avoid) is the best way to manage plastic.
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?
Look at the following picture and explain what is happening.
Explain why the following is made of thermosetting plastics?
Electric plugs/switches/plug boards
PVC (polyvinyl chloride) is a thermoplastic and is used for making toys, chappals, etc. Bakelite is a thermosetting plastic and is used for making electrical switches, handles of various utensils, etc. Can you write the major difference between these two types of plastics?
What are the drawbacks of plastics?
