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प्रश्न
Explain the difference between thermoplastic and thermosetting plastics.
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उत्तर
There are two types of plastics: Thermosetting plastics and Thermoplastics.
| Thermosetting plastic | Thermoplastic |
| Thermosetting plastic cannot be bent easily. It may break when forced to bend. | Thermoplastic can be bent easily. |
| Thermosetting plastic cannot be softened by heating. Thus, it cannot be reshaped once moulded. | Thermoplastic can be softened easily by heating. Thus, it can be reshaped. |
संबंधित प्रश्न
Give examples to show that plastics are non-corrosive in nature.
Write short note.
Uses of plastic.
Give example of material that can be used again.
What are the uses of plastic?
Read the following information and convert them into a graph to compare the countries and the amount of plastic they use.
China contributes the highest share - that is around 28%, of the total plastic used globally. Indonesia uses 10%, both the Philippines and Vietnam use 6% each; Thailand uses 3.2%, Egypt 3%, Nigeria 2.7% and South Africa 2%.
Plastic articles are available in all possible shapes and sizes. Can you tell why?
PVC (polyvinyl chloride) is a thermoplastic and is used for making toys, chappals, etc. Bakelite is a thermosetting plastic and is used for making electrical switches, handles of various utensils, etc. Can you write the major difference between these two types of plastics?
Which of the following is non–bio degradable?
The used plate is easy to recycle.
Give some examples of one-time-use plastic.
