Polymer Technology Softening point of high density polythene is about __________ °C. 165 135 205 85 165 135 205 85 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is produced by polymerisation of chloroprene. Neoprene Butyl rubber Thiokol (a polysulphide rubber) Polyurathane rubber Neoprene Butyl rubber Thiokol (a polysulphide rubber) Polyurathane rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex? Neither A nor B Potassium alum Ammonium alum Both A & B Neither A nor B Potassium alum Ammonium alum Both A & B ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polypropylene is preferred to polythene, because the former is Stronger Both B & C Harder Non-inflammable Stronger Both B & C Harder Non-inflammable ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Hot drink (e.g, tea) cups are usually made of Polythene Polypropylene PVC Polystyrene Polythene Polypropylene PVC Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resin is A good abrasive A polyester An elastomer Not used for surface coating A good abrasive A polyester An elastomer Not used for surface coating ANSWER DOWNLOAD EXAMIANS APP