Polymer Technology Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? Cellulose Proteins Nucleic acids Starch Cellulose Proteins Nucleic acids Starch ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The major component of acrylic fibres is Polyacrylonitrile Polyamides Polyolefins Polyesters Polyacrylonitrile Polyamides Polyolefins Polyesters ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polypropylene compared to polythene is All of these Lighter Stronger Harder All of these Lighter Stronger Harder ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polythene is a/an Condensation polymerisation product None of these Thermosetting material Addition polymerisation product Condensation polymerisation product None of these Thermosetting material Addition polymerisation product ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process of polythene manufacture Employs a pressure of 30 kgf/cm² Does not use any catalyst for polymerisation Achieves an yield of 95-98% based on ethylene Produces very low density polythene Employs a pressure of 30 kgf/cm² Does not use any catalyst for polymerisation Achieves an yield of 95-98% based on ethylene Produces very low density polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting resins/polymers as compared to thermoplastic ones are More brittle Formed by addition polymerisation only Easily reshaped & reused Soluble in all organic solvents More brittle Formed by addition polymerisation only Easily reshaped & reused Soluble in all organic solvents ANSWER DOWNLOAD EXAMIANS APP
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