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? Potassium alum Neither A nor B Both A & B Ammonium alum Potassium alum Neither A nor B Both A & B Ammonium alum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The physical state in which polymers exist is Partially crystalline state Melts & rubber like state Amorphous glassy state All of these Partially crystalline state Melts & rubber like state Amorphous glassy state All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Maximum consumption of polymers is in Toys making Packaging Coating and films Electrical insulation Toys making Packaging Coating and films Electrical insulation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following low molecular weight ( Thiokol Polyvinyl acetate PVC Cellulose acetate Thiokol Polyvinyl acetate PVC Cellulose acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymerisation of poly functional monomers produces polymers having Low viscosity Good machanical strength Low melting point None of these Low viscosity Good machanical strength Low melting point None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of raw rubber makes it Plastic Soft Tacky Less elastic Plastic Soft Tacky Less elastic ANSWER DOWNLOAD EXAMIANS APP