Question:
Match the following polymers with their applications:
\begin{center}
\begin{tabular}{|c|c|}
\hline
List-I (Polymer) & List-II (Used in making)
\hline
Match the following polymers with their applications:
\begin{center}
\begin{tabular}{|c|c|}
\hline
List-I (Polymer) & List-II (Used in making)
\hline
\hline
Show Hint
Different polymers have unique mechanical and chemical properties that determine their industrial applications.
Updated On: Jun 5, 2025
- \( \text{[--CH}_2\text{--CF}_2\text{--]}_n \) (Polytetrafluoroethylene) & (II) Gaskets
- \( \text{[--CH}_2\text{--CH--]}_n \text{CN} \) (Polyacrylonitrile) & (IV) Commercial fibres
- \( \text{[--OCH}_2\text{CH}_2\text{O--]}_n \text{--C--} \text{--O--} \) (Epoxy resin) & (I) Safety helmets
- \( \text{[--NHCONHCH}_2\text{--]}_n \) (Polyurethane) & (III) Laminated sheets \hline \end{tabular} \end{center}
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The Correct Option is C
Solution and Explanation
Step 1: Identifying Each Polymer
- Polytetrafluoroethylene (PTFE) \( \text{[--CH}_2\text{--CF}_2\text{--]}_n \) → Used in gaskets, as it is resistant to chemicals and heat.
- Polyacrylonitrile (PAN) \( \text{[--CH}_2\text{--CH--]}_n \text{CN} \) → Used in commercial fibres like synthetic textiles.
- Epoxy resins \( \text{[--OCH}_2\text{CH}_2\text{O--]}_n \text{--C--} \text{--O--} \) → Used in safety helmets for their impact resistance.
- Polyurethane \( \text{[--NHCONHCH}_2\text{--]}_n \) → Used in laminated sheets due to flexibility and strength.
Conclusion
Thus, the correct answer is:
\[
A-II, B-IV, C-I, D-III
\]
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