Q241
Open questionPoly tetra flouro ethylene (PTFE) is known as
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Q242
Open questionThe major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is
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Q243
Open questionMelamine formaldehyde resin which has a very high anti tacking properties, is not used for the
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Q244
Open questionLiners of bags are usually made of
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Q245
Open questionVisco-elastic behaviour exhibited by plastics is a __________ like behaviour.
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Q246
Open questionStyrene butadiene rubber is commercially manufactured by
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Q247
Open questionStyrene which is a monomer for the production of polystyrene, is commercially produced by the
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Q248
Open questionPick out the wrong statement.
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Q249
Open questionWhich of the following is not a condensation polymer?
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Q250
Open questionBristles of tooth brushes are made of
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Q251
Open questionFillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its
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Q252
Open questionValcunisation of rubber decreases its
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Q253
Open questionSilicone is a/an
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Q254
Open questionAlkyd resin can not be used for making
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Q255
Open questionWhich of the following polymers is used for making a non stick coating on frying pans?
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Q256
Open questionSynthetic rubber
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Q257
Open questionWhich of the following is generally not used as eord for synthetic rubber tyre casing?
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Q258
Open questionTeflon is
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Q259
Open questionTerylene is
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Q260
Open questionPolycondensation of saturated dicarboxylic acid with polyhydric alcohol produces
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