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NEET Practice Questions (MCQs) with Answers & Solutions

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The tensile strength, elasticity and resistance to abrasion can be increased by a process called

A. Diazotisation B. Vulcanization C. Isomerization D. Polymerization

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The process of vulcanization was introduced by

A. Charlesâ€™ goodyear B. Kolbe C. Wohler D. Zeigler

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Vulcanized rubber resists ........

A. Wear and tear due to friction B. Cryogenic temperature C. High temperature D. Action of acids

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The liner chains in nylon are held together by

A. H-bonds B. Covalent C. Ionic bonds D. vanderwaalâ€™s forces

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Caprolactam needed for manufacture of nylon-6 is obtained by beckmann rearrangement of ...........

A. Benzophenone oxime B. Acetophenone oxime C. Cyclohexanone oxime D. Cyclopentanone oxime

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The repeating structural unit in neoprene is

A. Chloroprene B. Chloropicrin C. Chloroethene D. Chlorotrifluoroethylene

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Chloroprene is obtained by addition of HCL to

A. Acetylene B. Vinylacetylene C. Divinylacetylene D. Phenylacetylene

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To make PVC a flexible plastic, the additive used is called

A. Filler B. Antionxidant C. Stabilizer D. Plasticizer

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A polymer of prop-2-enenitrile is called

A. Saran B. Orlon C. Dacron D. Teflon

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Starch is the condenstion polymer of

A. $ \alpha - Glucose $ B. $ \beta - Glucose $ C. $ \alpha - Fructose $ D. $ \beta- Fructose $

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