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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 |
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उत्तर
| 'A' column | 'B' column |
| a. Lead glass | i. Electric bulb |
| b. Bakelite | ii. Electric switch |
| c. Thermocol | iii. Plates |
| d. Optic glass | iv. Lens |
| e. Polypropylene | v. Mattresses |
संबंधित प्रश्न
Fill in the blanks with appropriate words.
Like synthetic fibres, plastic is also a _______
Write the natural or manmade raw material of the following items.
Mattress, glass vessel, bangle, chair, gunny bag, broom, knife, pen.
What are the uses of plastic?
True or False
A lot of plastic pollutes our environment.
Why is it better to avoid the use of plastic products?
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%.
A syringe that is made from a type of plastic called ______.
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.
Assertion (A): PVC is an unsafe plastic.
Reason (R): Burning PVC releases dioxins, a most toxic chemical.
Give some examples of one-time-use plastic.
