Exxon Mobil Basic Operating Training Practice Test

What is a polymer?

Large molecule Small molecule Gas Liquid substance

Correct Answer:

Large molecule

Explanation:

Polymers are large molecules built from many repeating units called monomers linked into long chains or networks. This creates a macromolecular structure with high molecular weight and unique properties like strength and flexibility, which is why polymers are used to make plastics, fibers, and rubbers. The other options describe states or sizes that don’t capture what a polymer is—the description that fits is a large molecule.

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