Question:
Identify thermoplastic polymer from following.
Identify thermoplastic polymer from following.
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Thermoplastics soften on heating and can be remoulded; polystyrene is the standard example.
Updated On: Nov 13, 2026
Urea formaldehyde resin
Polystyrene
Nylon 6,6
Vulcunized rubber
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept
Thermoplastic polymers are linear or slightly branched polymers that soften on heating and harden on cooling, so they can be reshaped repeatedly. Thermosetting polymers form cross-links and cannot be remoulded.
Step 2: Check Each Option
Urea formaldehyde resin is thermosetting.
Polystyrene is thermoplastic.
Nylon 6,6 is classed as a fibre.
Vulcanised rubber is cross-linked with sulphur.
Step 3: Compare the options
Polystyrene is option (B).
Final Answer:
Polystyrene is the thermoplastic polymer. \[ \boxed{\text{(B) }\text{Polystyrene}} \]
Thermoplastic polymers are linear or slightly branched polymers that soften on heating and harden on cooling, so they can be reshaped repeatedly. Thermosetting polymers form cross-links and cannot be remoulded.
Step 2: Check Each Option
Urea formaldehyde resin is thermosetting.
Polystyrene is thermoplastic.
Nylon 6,6 is classed as a fibre.
Vulcanised rubber is cross-linked with sulphur.
Step 3: Compare the options
Polystyrene is option (B).
Final Answer:
Polystyrene is the thermoplastic polymer. \[ \boxed{\text{(B) }\text{Polystyrene}} \]
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