Advertisements
Advertisements
प्रश्न
Explain the difference between thermoplastic and thermosetting plastics.
Advertisements
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. |
APPEARS IN
संबंधित प्रश्न
Explain why the following is made of thermosetting plastics.
Saucepan handles
Give examples to show that plastics are non-corrosive in nature.
Plastic shows ______ property, hence it can be moulded to any shape.
Who is my partner?
| 'A' column | 'B' column |
| a. Lead glass | i. Plates |
| b. Bakelite | ii. Mattresses |
| c. Thermocol | iii. Electric bulb |
| d. Optic glass | iv. Electric switch |
| e. Polypropylene | v. Lens |
Can you replace the following packaging material with those which can be recycled or reused.
Milk packets of polythene.
True or False
Refuse (avoid) is the best way to manage plastic.
Nandhini brings his lunch every day to school in a plastic container which has resin code number 5. The container is made of ______.
Unscramble the jumbled word given below, related to synthetic material.
Laspict
What are the drawbacks of plastics?
Answer the following by rearranging the jumbled letters :
One-time use of plastics causes ______ damage.
trnvomenialne
