Chemical Process Styrene (a monomer for the production of polystyrene) is commercially produced by Catalytic dehydrogenation of ethyl benzene Dehydration of ethyl alcohol followed by hydrogenation Reacting ethylene oxide with acetal-dehyde Fermentation of starch Catalytic dehydrogenation of ethyl benzene Dehydration of ethyl alcohol followed by hydrogenation Reacting ethylene oxide with acetal-dehyde Fermentation of starch ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Bleaching action of bleaching powder is due to its __________ properties. Oxidising Disinfecting None of these Reducing Oxidising Disinfecting None of these Reducing ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most reactive allotropic form of phosphorus is __________ phosphorus. Violet Yellow Red Black Violet Yellow Red Black ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Epoxy resin Cannot be used for surface coatings Is a good adhesive Is a polyester Is an elastomer Cannot be used for surface coatings Is a good adhesive Is a polyester Is an elastomer ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Most commonly used rubber vulcanising agent is Platinum Sulphur Bromine Alumina Platinum Sulphur Bromine Alumina ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fermentation of molasses to produce ethyl alcohol is done at __________ °C 20 - 30 250 - 300 100 - 150 < - 5 20 - 30 250 - 300 100 - 150 < - 5 ANSWER DOWNLOAD EXAMIANS APP