Polymer Technology Hot drink (e.g, tea) cups are usually made of PVC Polystyrene Polythene Polypropylene PVC Polystyrene Polythene Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Zeigler - Natta catalyst (AlR₃ - AlCl₃) is used in the polymerisation of Styrene Vinyl acetate Propylene Vinyl chloride Styrene Vinyl acetate Propylene Vinyl chloride ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose is the main contituent of most __________ fibres. Acrylic Synthetic Spandex Natural Acrylic Synthetic Spandex Natural ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Identify the group in which all the polymers mentioned can be used to make fibres. Butadiene copolymers, Polyamides, Urea aldehyde Cellulose derivatives, Polyisoprene, Polyethylene Cellulose derivatives, Polyamides, Polyurathane Polypropylene, Poly vinyl chloride, Silicon Butadiene copolymers, Polyamides, Urea aldehyde Cellulose derivatives, Polyisoprene, Polyethylene Cellulose derivatives, Polyamides, Polyurathane Polypropylene, Poly vinyl chloride, Silicon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin. Phenol Melamine Resorcinol Para-cresol Phenol Melamine Resorcinol Para-cresol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals. Organic peroxides Sulphuric acid None of these Hydroflouric acid Organic peroxides Sulphuric acid None of these Hydroflouric acid ANSWER DOWNLOAD EXAMIANS APP
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