What are thermoplastics? Explain with examples.
Those plastics which can melt on heating and which can be reshaped on moulding again and again are called thermoplastics. P.V.C., Polythene are examples of thermoplastics. Toys, containers, car grills, combs etc. are made with thermoplastics.
What are thermosetting plastics?
Out of the following materials :
Cotton, Nylon, Terylene, Wood, PET, Acrylic
Which materials are polyesters?
Why the handles of the utensils are made of bakelite?
Why the switches and plugs are made of plastics?
