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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 |
जोड़ियाँ मिलाइएँ
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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 |
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
Distinguish between.
Man made material and natural material.
Explain the effect of following materials on environment and human health.
1. Plastic
2. Glass
3.Thermocol.
Write short note.
Glass production.
Give example of material that can be used again.
Can you replace the following packaging material with those which can be recycled or reused.
Milk packets of polythene.
What are the demerits of plastic?
A good application of plastic is the use of ______
Which is a thermosetting plastic?
Which of the following is non–bio degradable?
What are the drawbacks of plastics?
