Polymer Technology Contact lenses for eyes are made of perspex, which is nothing but Polypropylene Unsaturated polyester Polymethylmethacrylate Polystyrene Polypropylene Unsaturated polyester Polymethylmethacrylate Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermoplastic resins usually Remain hard as long as they are hot Permanent setting resins Can not be reclaimed from waste Less brittle than thermosetting resins Remain hard as long as they are hot Permanent setting resins Can not be reclaimed from waste Less brittle than thermosetting resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.81 0.38 0.56 0.91 0.81 0.38 0.56 0.91 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its Strength Weathering characteristics Elasticity Plasticity Strength Weathering characteristics Elasticity Plasticity ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin can not be used for making Fibres Plasticiser Film forming materials Paint & varnish Fibres Plasticiser Film forming materials Paint & varnish ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Zeigler - Natta catalyst (AlR₃ - AlCl₃) is used in the polymerisation of Styrene Vinyl chloride Propylene Vinyl acetate Styrene Vinyl chloride Propylene Vinyl acetate ANSWER DOWNLOAD EXAMIANS APP
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