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Marcoism7 Marcoism7
wrote...
Posts: 832
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6 years ago
What is the name given to polymers that soften when heated and harden when cooled?
 
  A.
  Cross-linked polymers
 
  B.
  Copolymers
 
  C.
  Thermosetting polymers
 
  D.
  Thermoplastics
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6 years ago
D
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