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Question
Chemistry
Which one of the following pairs is not correctly matched ?
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Q. Which one of the following pairs is not correctly matched ?
Polymers
A
Terylene-condensation polymer ofterephthalic acid and ethylene glycol
7%
B
Teflon-thermally stable cross linked polymerof phenol and formaldehyde
67%
C
Perspex-A homopolymer of methylmethacrylate
13%
D
Synthetic rubber-A copolymer of butadieneand styrene.
13%
Solution:
Teflon is a thermally stable polymer of tetrafluoroethylene $(CF_2=CF_2)$.