Which of the following is not the essential structural requirement of an elastomer?
A. Long flexible chains
B. Weak intermolecular forces
C. Rigidity in structure
D. Occasional cross-linking
Answer:C
Which of the following is not the essential structural requirement of an elastomer?
A. Long flexible chains B. Weak intermolecular forces C. Rigidity in structure D. Occasional cross-linking
Explanation: Elastomers are a long flexible chain; they are not rigid in nature.