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? Both A & B Ammonium alum Potassium alum Neither A nor B Both A & B Ammonium alum Potassium alum Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-S is a __________ material. Resinous Rubbery Plastic Fibrous Resinous Rubbery Plastic Fibrous ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a copolymer? Teflon PVC Bakelite Polythene Teflon PVC Bakelite Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding Glycerol None of these Nitro cellulose Camphor Glycerol None of these Nitro cellulose Camphor ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a polyolefin? Polypropylene None of these Neoprene Polystyrene Polypropylene None of these Neoprene Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Lavatory cisterns are normally made of PVC Saturated polyester Perspex Expanded polystyrene PVC Saturated polyester Perspex Expanded polystyrene ANSWER DOWNLOAD EXAMIANS APP
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