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प्रश्न
Describe an activity to show that thermoplastic is a poor conductor of electricity.
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उत्तर
We will design a circuit to see that thermoplastics are poor conductors of electricity. We need a bulb, some wires, a battery, a piece of metal, and a plastic pipe. Set up the circuit first with the metal and then with the plastic pipe (as shown in the figure). After you switch on the current, you will observe that the bulb glows in the former case. In the latter case, the bulb does not glow. Hence, a plastic pipe (which is a thermoplastic) is shown to be a poor conductor of electricity.
संबंधित प्रश्न
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 |
Write uses of PVC.
How the plastic is produced?
Distinguish between.
Man made material and natural material.
Give example of material that can be used again.
True or False
A lot of plastic pollutes our environment.
Look at the following picture and explain what is happening.
Which of the following is non–bio degradable?
Mention a few household products in which microbeads can be found.
A survey showed that one-time-use plastic items were among the top 10 plastic items found in garbage washed up from oceans. Can this be true? Explain how.
