A polymer is a chain of many small units joined together which are called ______.

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Solution

Polymers: A polymer is a large molecule or a macromolecule that is formed by the combination of multiple units of simple units called monomers.
The term polymer in Greek means ‘many parts’.
Examples: Nylon 6,6 is a polymer is made up of monomers of Hexamethylenediamine $(C_{6} H_{16} N_{2})$ and Adipic acid $(C_{6} H_{10} O_{4})$
Therefore, a polymer is a chain of many small units joined together which are called monomers.

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