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Question

Which of the following plastics cannot be remoulded?

A
Polyethylene
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B
Melamine
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C
Bakelite
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D
PVC
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Solution

The correct options are
B Melamine
C Bakelite
Thermoplastics can be moulded on heating as per our requirement. Polyethene, polyvinyl chloride (PVC), polystyrene (PS) and polypropylene ( PP) are few examples of thermoplastics.

Thermosetting plastics cannot be remoulded or reshaped on heating. Bakelite, melamine, and polyester are few examples of thermosetting plastics.

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