Polymer Technology Branched chair polymers as compared to linear polymers have Higher melting point Higher tensile strength None of these Lower density Higher melting point Higher tensile strength None of these Lower density ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of raw rubber makes it Less elastic Tacky Plastic Soft Less elastic Tacky Plastic Soft ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Commercial production of polypropylene employs __________ polymerisation. Solution Suspension Bulk Emulsion Solution Suspension Bulk Emulsion ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals. None of these Hydroflouric acid Sulphuric acid Organic peroxides None of these Hydroflouric acid Sulphuric acid Organic peroxides ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In condensation polymerisation as compared to addition polymerisation The monomers contain two functional groups No co-product is lost Generally only one monomer is involved The monomers are unsaturated compounds The monomers contain two functional groups No co-product is lost Generally only one monomer is involved The monomers are unsaturated compounds ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible foam (for mattresses) are usually made of Polyamides Polyurethanes Silicone rubber PVC Polyamides Polyurethanes Silicone rubber PVC ANSWER DOWNLOAD EXAMIANS APP