Polymer Technology The monomer of natural rubber is 2 methyl-1-propene Isoprene DMT Both B and C 2 methyl-1-propene Isoprene DMT Both B and C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polypropylene compared to polythene is All of these Stronger Harder Lighter All of these Stronger Harder Lighter ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher Tensile strength Hardness, rigidity & brittleness Densities Melting point Tensile strength Hardness, rigidity & brittleness Densities Melting point ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Branched chain polymers compared to linear polymers have higher Density Tensile strength Melting point Degree of irregularity in atomic packing Density Tensile strength Melting point Degree of irregularity in atomic packing ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Transistor parts and refrigerator components are normally made of Polyurathane High density polythene Polystyrene Polyester Polyurathane High density polythene Polystyrene Polyester ANSWER DOWNLOAD EXAMIANS APP
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