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प्रश्न
Explain why the following is made of thermosetting plastics?
Electric plugs/switches/plug boards
उत्तर
Thermosetting plastics such as bakelite are poor conductors of heat and electricity. Therefore, they are used for making electric plugs, switches, plug boards, etc.
APPEARS IN
संबंधित प्रश्न
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 |
Give example of material that can be used again.
Can you replace the following packaging material with those which can be recycled or reused.
Glass tumblers packed in thermocol box.
What can we do to reduce overuse of plastics?
HOTS
The Tamil Nadu Government has banned the use of one-time use throwaway plastics. Why do you think this is important?
Look at the following picture and explain what is happening.
Nandhini brings his lunch every day to school in a plastic container which has resin code number 5. The container is made of ______.
Most one-time-use plates are made from ______.
Answer the following by rearranging the jumbled letters :
Expanded polystyrene is commercially known as ______.
mthreolco
Give some examples of one-time-use plastic.