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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
Motor cars are coated with ____________.
Distinguish between.
Man made material and natural material.
Distinguish between
Thermoplastic and thermosetting plastic.
Which measures will you arrange to minimize the environmental problems arising due to non-degradable plastic?
Give example of material that can be used again.
Can you replace the following packaging material with those which can be recycled or reused.
Glass tumblers packed in thermocol box.
What are the uses of plastic?
Why should we be careful in using plastic bags to store cooked food items?
True or False
A lot of plastic pollutes our environment.
Plastics are environment friendly.
