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Question

Which of the following is considered as the first thermoplastic?
  1. Polystyrene
  2. PVC
  3. Melamine
  4. Celluloid

A
Melamine
B
PVC
C
Polystyrene
D
Celluloid
Solution
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Celluloid, which is considered the first thermoplastic, made its appearance in the mid- 1800s and reigned in the industry for approximately 100 years. During its peak production, it was used as a substitute for ivory. Today, it is used to make guitar picks.

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