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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
Write the natural or manmade raw material of the following items.
Mattress, glass vessel, bangle, chair, gunny bag, broom, knife, pen.
Write short note.
Glass production.
Can you replace the following packaging material with those which can be recycled or reused.
Milk packets of polythene.
Can you replace the following packaging material with those which can be recycled or reused.
Glass tumblers packed in thermocol box.
What are the demerits of plastic?
Why should we be careful in using plastic bags to store cooked food items?
Plastics are flexible and waterproof and some are even UV resistant.
Plastics can be found in toothpaste, face wash, and body scrubs.
Plastics have completely occupied our life. Why?
What are the drawbacks of plastics?
