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 Potassium alum Neither A nor B Ammonium alum Both A & B Potassium alum Neither A nor B Ammonium alum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible plastic pipes are made of Polypropylene High density polyethylene (HDPE) Low density polyethylene (LDPE) Unsaturated polyester Polypropylene High density polyethylene (HDPE) Low density polyethylene (LDPE) Unsaturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its All of these Chemical resistance Flexibility Tensile strength All of these Chemical resistance Flexibility Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol). Saturated polyester Unsaturated polyester Alkyd resins Amino resins Saturated polyester Unsaturated polyester Alkyd resins Amino resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Ion exchange resins are made of Polystyrene Sulphonated bakelite Lucite Teflon Polystyrene Sulphonated bakelite Lucite Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Zeigler - Natta catalyst (AlR₃ - AlCl₃) is used in the polymerisation of Vinyl acetate Propylene Vinyl chloride Styrene Vinyl acetate Propylene Vinyl chloride Styrene ANSWER DOWNLOAD EXAMIANS APP
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