Polymer Technology Thermocole is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten Polyurathane Saturated polyester Polystyrene Either B or C Polyurathane Saturated polyester Polystyrene Either B or C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Protect rubber goods from attack by oxygen & ozone present in the atmosphere Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Protect rubber goods from attack by oxygen & ozone present in the atmosphere Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Non sulphonated hard bakelites are not used for making Formica table tops Ion-exchange resins Combs Fountain pen barrels Formica table tops Ion-exchange resins Combs Fountain pen barrels ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polypropylene is preferred to polythene, because the former is Non-inflammable Harder Stronger Both B & C Non-inflammable Harder Stronger Both B & C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The synthetic fibres produced from __________ are known as rayon. Ethylene glycol Cellulose Polyamides Lignin Ethylene glycol Cellulose Polyamides Lignin 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
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