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प्रश्न
Explain why the following is made of thermosetting plastics.
Saucepan handles
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उत्तर
Saucepan handles are made of thermosetting plastics because these plastics do not get softened on heating. Also, thermosetting plastics such as bakelite are poor conductors of heat.
संबंधित प्रश्न
Fill in the blanks with appropriate words.
Like synthetic fibres, plastic is also a _______
Give examples to show that plastics are non-corrosive in nature.
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 |
How the plastic is produced?
Write short note.
Uses of plastic.
Can you replace the following packaging material with those which can be recycled or reused.
Gift items packed with shiny material.
______ are used to identify different types of plastics.
True or False
A lot of plastic pollutes our environment.
Unscramble the jumbled word given below, related to synthetic material.
Laspict
Which of the following is non–bio degradable?
