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प्रश्न
Write the natural or manmade raw material of the following items.
Mattress, glass vessel, bangle, chair, gunny bag, broom, knife, pen.
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उत्तर
| Items | Natural raw material | Man-made raw materials |
| Mattress | Cotton, Coir | Thermoplastic(Polypropylene) |
| Glass vessel | - | Glass (Silicate or borosilicate glass) |
| Bangle | Gold, silver, platinum. | Plastic, Glass |
| Chair | Wood | Plastic |
| Gunny bag | Jute, cotton | Plastic |
| Broom | Plant fibres | Plastic fibres |
| Knife | Metals such as iron | Plastic |
| Pen | Metals | Plastic |
संबंधित प्रश्न
Explain the difference between thermoplastic and thermosetting plastics.
Write short note.
Uses of plastic.
A good application of plastic is the use of ______
Explain why the following is made of thermosetting plastics?
Electric plugs/switches/plug boards
The material which is commonly used for making kitchen containers is ______.
Unscramble the jumbled word given below, related to synthetic material.
Laspict
Plastics are flexible and waterproof and some are even UV resistant.
Mention a few household products in which microbeads can be found.
What are the drawbacks of plastics?
Answer the following by rearranging the jumbled letters :
Expanded polystyrene is commercially known as ______.
mthreolco
