Question

Plastics are divided into thermoplastic and thermosetting on the basis of their ________

(a) Behaviour with respect to heating

(b) Structure

(c) Physical properties

(d) Mechanical properties

Answer 1

Correct choice is (a) Behaviour with respect to heating

The best I can explain: The classification of plastics is done on the basis of their behaviour with respect to heating, structure, physical properties and mechanical properties. Plastics are divided into thermoplastic and thermosetting on the basis of their behaviour with respect to heating.