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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
Fill in the blanks with appropriate words.
Like synthetic fibres, plastic is also a _______
Explain why plastic containers are favoured for storing food.
Explain the effect of following materials on environment and human health.
1. Plastic
2. Glass
3.Thermocol.
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 ______
______ are used to identify different types of plastics.
HOTS
The Tamil Nadu Government has banned the use of one-time use throwaway plastics. Why do you think this is important?
Explain why the following is made of thermosetting plastics?
Electric plugs/switches/plug boards
Which is a thermosetting plastic?
Which of the following is non–bio degradable?
