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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
Should the handle and bristles of a tooth brush be made of the same material? Explain your answer.
How the plastic is produced?
Distinguish between
Thermoplastic and thermosetting plastic.
Can you replace the following packaging material with those which can be recycled or reused.
Dry eatables in polythene.
A good application of plastic is the use of ______
Why is it better to avoid the use of plastic products?
Which is a thermosetting plastic?
Most one-time-use plates are made from ______.
Answer the following by rearranging the jumbled letters :
One-time use of plastics causes ______ damage.
trnvomenialne
Answer the following by rearranging the jumbled letters :
Expanded polystyrene is commercially known as ______.
mthreolco
