As plastics and synthetic fibers consist of repeating monomer units, they are known as ______ .
A
polyesters
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B
polymers
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C
co-polymers
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D
None of the above
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Solution
The correct option is A polymers As plastics and synthetic fibers consist of repeating monomer units, they are known as polymers. Polymers are macro-molecules having high molecular weights and composed of smaller repeating units called monomers. 'Poly' means 'many' and 'meros' means 'part'.