Question:
Buna - S is an example of ,
Buna - S is an example of ,
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Buna-S is a synthetic rubber, so it is an elastomer.
Updated On: Oct 1, 2026
- elastomer
- fibre
- thermoplastic polymer
- thermosetting polymer
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept:
Polymers are classified by their intermolecular forces: elastomers (weak forces, rubber-like), fibres (strong forces), thermoplastics and thermosetting polymers.
Step 2: Apply to Buna-S:
Buna-S is a copolymer of 1,3-butadiene and styrene made with sodium (Na) as catalyst. It is a synthetic rubber with weak forces and high elasticity.
Step 3: Conclusion:
Buna-S is an elastomer, option A.
Final Answer:
Buna-S is an elastomer. \[ \boxed{\text{(A) }\text{Elastomer}} \]
Polymers are classified by their intermolecular forces: elastomers (weak forces, rubber-like), fibres (strong forces), thermoplastics and thermosetting polymers.
Step 2: Apply to Buna-S:
Buna-S is a copolymer of 1,3-butadiene and styrene made with sodium (Na) as catalyst. It is a synthetic rubber with weak forces and high elasticity.
Step 3: Conclusion:
Buna-S is an elastomer, option A.
Final Answer:
Buna-S is an elastomer. \[ \boxed{\text{(A) }\text{Elastomer}} \]
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