Q101
Open questionCation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins.
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Q102
Open questionEpoxy resin is
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Q103
Open questionNeoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is
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Q104
Open questionWhich of the following rubbers has the widest service temperature range (-75 to 275°C) ?
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Q105
Open questionPhenol formaldehyde is produced by condensation polymerisation. It is also known as
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Q106
Open questionCondensation polymerisation of formaldehyde with __________ does not produce phenolic resin.
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Q107
Open questionEpoxy resins (i.e., epoxide polymers)
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Q108
Open questionCondensation of bisphenol A with phosgene produces __________ which possess very good heat resistance.
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Q109
Open questionPolyvinyl acetate is never used for making
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Q110
Open questionPolymethyl methacrylate (PMMA) is known as
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Q111
Open questionProperties of a polymer is affected by the
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Q112
Open questionWhich of the following polymers has the tendency of decomposing before melting?
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Q113
Open questionThermal pyrolysis of ethylene dichloride produces
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Q114
Open questionThe monomer of poly vinyl chloride (PVC) is
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Q115
Open questionMolecular weight of polymers are in the range of
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Q116
Open questionVulcanisation of rubber does not increase its
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Q117
Open question__________ fibres are made of polyamides.
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Q118
Open questionGutta parcha rubber is
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Q119
Open questionWhich of the following is an elastomer?
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Q120
Open questionThe repeating units of PTFE are
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