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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 why plastic containers are favoured for storing food.
Give examples to show that plastics are non-corrosive in nature.
Plastic shows ______ property, hence it can be moulded to any shape.
Write uses of PVC.
Write short note.
Glass production.
Can you replace the following packaging material with those which can be recycled or reused.
Gift items packed with shiny material.
Plastic articles are available in all possible shapes and sizes. Can you tell why?
A syringe that is made from a type of plastic called ______.
Plastics are flexible and waterproof and some are even UV resistant.
The used plate is easy to recycle.
