Question

(Q3.) Write two points of difference between
thermosetting plastics and thermoplastics?​

Answer 1

Answer:

Thermoplastics have secondary bonds between molecular chains. Thermosetting plastics have primary bonds between molecular chains and held together by strong cross-links. Thermoplastics have low melting points and low tensile strength. Thermosetting plastics have high melting points and tensile strength.

Answer 2

Answer:

There are two types of plastics:

Thermosetting plastics and Thermoplastics.

Thermosetting plastic cannot be bent easily. It may break when forced to bend.

Thermoplastic can be bent easily.

Thermosetting plastic cannot be softened by heating. Thus, it cannot be reshaped once moulded.

Thermoplastic can be softened easily by heating. Thus, it can be reshaped.

Explanation:

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