1. Condensation polymerisation of __________ produces bakelite.
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2. Polymethyl methacrylate, which is an acrylic resin, is also called
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3. Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres.
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4. __________ scrap can be recycled & reutilised.
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5. Lavatory cisterns are normally made of
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6. Which of the following polymers belong to the class of formaldehyde resin?
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7. Dacron (or terylene) fibres as compared to nylon fibres have
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