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प्रश्न
Which one among the following is a thermosetting plastic?
पर्याय
PVC
PVA
Bakelite
None of these
MCQ
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उत्तर
Bakelite
Explanation:
Bakelite is a thermosetting plastic because once it is moulded into a shape, it cannot be softened or reshaped by heating. It is a poor conductor of heat and electricity, so it is commonly used in electrical switches and handles of utensils. PVC and PVA are thermoplastics, not thermosetting plastics.
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