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प्रश्न
Monomers ethylene glycol and terephthalic acid undergo condensation polymerization to give polymer called ___________
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उत्तर
Monomers ethylene glycol and terephthalic acid undergo condensation polymerization to give polymer called terylene (or Dacron)
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\[\begin{array}{cc}\ce{-(CH2 - CH -)_{n}}\\
\phantom{....}|\\\ce{\phantom{.......}C6H5}
\end{array}\]
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\[\begin{array}{cc}
\ce{[-C-CH2-NH-C-(-CH2)5 NH -]_{{n}}}\\
\phantom{}||\phantom{.............}||\phantom{................}\\
\phantom{}\ce{O}\phantom{.............}\ce{O}\phantom{................}
\end{array}\]
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