1) A plastic which regains its original shape is a) Themoplasic b) Thermosetting 2) Ram pours hot water in a plastic bottle, its shape changes after that. It comes to original shape after cooling. Which type of plastic is it a) Thermoplastic b) Thermosetting 3) Thermosetting plastic is used in making a) Electrical switches b) Handles of pan c) Both of the above 4) Thermosetting plastic is a) Recyclable b) Non recyclable

Thermoplastic and thermosetting concept chapter 3 class 8th. Prepared by Marina Gupta science mistress G.H.S Haripur

etter
Innebygd

Ledertavle

Visuell stil

Alternativer

Bytt mal

Gjenopprett automatisk lagring: ?