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 Both A & B Ammonium alum Neither A nor B Potassium alum Both A & B Ammonium alum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Contact lenses for eyes are made of perspex, which is nothing but Polypropylene Unsaturated polyester Polystyrene Polymethylmethacrylate Polypropylene Unsaturated polyester Polystyrene Polymethylmethacrylate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? Nucleic acids Cellulose Starch Proteins Nucleic acids Cellulose Starch Proteins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of __________ produces bakelite. Urea & formaldehyde Phenol & acetaldehyde Propylene Phenol & formaldehyde Urea & formaldehyde Phenol & acetaldehyde Propylene Phenol & formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyurathane can not be used to make Fibre reinforced plastic (FRP) Coating and adhesive Thermal insulation in refrigerator Automobile cushion Fibre reinforced plastic (FRP) Coating and adhesive Thermal insulation in refrigerator Automobile cushion ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces Phenolic resin Polyamide Alkyd resin Epoxy resin Phenolic resin Polyamide Alkyd resin Epoxy resin ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS