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प्रश्न
Which of the following is not a copolymer?
विकल्प
Buna-S
Baketite
Neoprene
Dacron
MCQ
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उत्तर
Neoprene
Explanation:
Neoprene is polychloroprene, a homopolymer produced by polymerising a single monomer (chloroprene). Buna‑S (styrene‑butadiene), Bakelite (phenol‑formaldehyde), and Dacron (polyethene terephthalate) are made from two different monomers (copolymers/condensation polymers).
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