Question

Match the following . A. Teflon 1. can be blown up into large foam containing air bubbles B. Polystyrene 2. easily moulded can be rolled into thin sheets C. Polythene 3. tougher than polythene,can coated on cloth D. PVC 4. has high melting point and very low friction

Answer 1

Answer:

A-4 , B-1 , C- 2 , D-3