Polymer Technology Thermosetting resins/polymers as compared to thermoplastic ones are Soluble in all organic solvents Formed by addition polymerisation only Easily reshaped & reused More brittle Soluble in all organic solvents Formed by addition polymerisation only Easily reshaped & reused More brittle ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is Fe Aluminium triethyl combined with titanium tetrachloride V₂O₅ Ni Fe Aluminium triethyl combined with titanium tetrachloride V₂O₅ Ni 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. Sulphuric acid Organic peroxides None of these Hydroflouric acid Sulphuric acid Organic peroxides None of these Hydroflouric acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers does not belong to the class of polyacrylate polymer? Polyethyl acrylate None of these Polyacrylonitrile PMMA Polyethyl acrylate None of these Polyacrylonitrile PMMA ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Main constituent of cotton fibre is Lignin Gelatine Cellulose Starch Lignin Gelatine Cellulose Starch ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Orion is A condensation polymer A copolymer Obtained by polymerising vinyl cyanide All of these A condensation polymer A copolymer Obtained by polymerising vinyl cyanide All of these ANSWER DOWNLOAD EXAMIANS APP
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