Consider the following statements-

I. weakest intermolecular forces are present in elastomers.

II. Fibers possess a crystalline nature.

III. Ionic bonds are present in thermoplastic polymers.

Select the correct option from the following:

I and II

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II and III

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I and III

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I,II and III

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Solution

The correct option is A I and II
Elastomers are rubber like solid polymers in which polymer chains are hold together by weakest intermolecular forces.
Eg : Natural rubber
Fibers are thread-like polymers & can be woven into fabrics. They possess high tensile strength & are crystalline in nature.
Eg ; Nylon $6, 6$ .

Hence, the correct option is A.

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