Polymer Technology Which of the following has the weakest intermolecular forces? Nylon-66 Polystyrene Polyisoprene Bakelite Nylon-66 Polystyrene Polyisoprene Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its Weathering characteristics Plasticity Elasticity Strength Weathering characteristics Plasticity Elasticity Strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is PVC Polypropylene Terylene Polybutadiene PVC Polypropylene Terylene Polybutadiene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation reaction of polymerisation Produces only thermoplastic material Does not need any catalyst Does not produce linear polymers Produces epoxy polymers Produces only thermoplastic material Does not need any catalyst Does not produce linear polymers Produces epoxy polymers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Unbreakable crockeries are made from __________ polymers. Polyurathane Polystyrene Melamine Polystyrene Polyurathane Polystyrene Melamine Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following rubbers has the widest service temperature range (-75 to 275°C) ? Butyl rubber Nitrile rubber Silicon rubber Silicone rubber Butyl rubber Nitrile rubber Silicon rubber Silicone rubber ANSWER DOWNLOAD EXAMIANS APP
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