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प्रश्न
Which is a thermosetting plastic?
विकल्प
Melamine
Polythene
PVC
Nylon
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उत्तर
Melamine
Explanation:
Melamine is a thermosetting plastic which when moulded once, cannot be softened by heating.
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संबंधित प्रश्न
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Plastics are environment friendly.
Answer the following by rearranging the jumbled letters :
Plastics made of _______ are represented by resin code #6.
sytlopynere
