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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
Fill in the blanks with appropriate words.
Like synthetic fibres, plastic is also a _______
Distinguish between
Thermoplastic and thermosetting plastic.
Explain the effect of following materials on environment and human health.
1. Plastic
2. Glass
3.Thermocol.
What can we do to reduce overuse of plastics?
True or False
A lot of plastic pollutes our environment.
HOTS
The Tamil Nadu Government has banned the use of one-time use throwaway plastics. Why do you think this is important?
A plastic bag dumped in the soil stays without breaking down for 500 years. If a new generation starts in every 30 years, how many generations would it take to see the plastic bag finally broken down?
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?
Plastics are flexible and waterproof and some are even UV resistant.
Polycarbonate (PC) plastic contains ______.
