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प्रश्न
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?
उत्तर
Thermoplastics get deformed easily on heating and can be bent easily on heating. On the other hand, thermosetting plastics when moulded once cannot be softened on heating.
Thermoplastics → Polythene and PVC ‘
Thermosetting plastics —–> Bakelite and melamine
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संबंधित प्रश्न
How the plastic is produced?
Write short note.
Glass production.
Can you replace the following packaging material with those which can be recycled or reused.
Dry eatables in polythene.
What are the demerits of plastic?
True or False
A lot of plastic pollutes our environment.
Edmund Alexander Parkes was the creator of the first plastic called ______.
Plastics are flexible and waterproof and some are even UV resistant.
What are the drawbacks of plastics?
Polycarbonate (PC) plastic contains ______.
The used plate is easy to recycle.
