Polymer Technology
Visco-elastic behaviour exhibited by plastics is a __________ like behaviour.

Combination of solid & liquid
Solid
Liquid
Neither solid nor liquid

ANSWER DOWNLOAD EXAMIANS APP

Polymer Technology
Synthetic rubber

Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases
Is brittle at low temperature
Is softer at higher temperature
Deforms, if stretched to double of its original dimension

ANSWER DOWNLOAD EXAMIANS APP