Question

Which of these is a thermosetting plastic? 1 polyster 2 bakelite 3 polythene 4 polyvnyl chloride

Answer 1

Answer:

⇒ Correct Answer is 2. Bakelite

Explanation:

Thermosetting polymer has a unique property. If they are heated and formed into a shape can never be shaped again or formed again. They remain permanently solid.

A example of Thermosetting polymer is Bakelite

Additional Information:

• Thermosetting plastic is a polymer that always remain as solid.

• Thermosetting plastic can melt and attain a shape only once.

• After Solidification, they remain as solids only.

• In Thermosetting plastic chemical reaction is irreversible.

In the given options

Option 1 ,3 and 4 are called as Thermoplastic

Thermoplastic means it becomes soft at high temperature and hard at low temperature. This process can be repeated many number of times.

It's shape can be changed on heating.