Chemical Process Styrene (a monomer for the production of polystyrene) is commercially produced by Dehydration of ethyl alcohol followed by hydrogenation Fermentation of starch Reacting ethylene oxide with acetal-dehyde Catalytic dehydrogenation of ethyl benzene Dehydration of ethyl alcohol followed by hydrogenation Fermentation of starch Reacting ethylene oxide with acetal-dehyde Catalytic dehydrogenation of ethyl benzene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ iron is the purest form of iron. Wrought Pig High silicon Cast Wrought Pig High silicon Cast ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Very fine suspended and colloidal impurities are removed from water by a process called Disinfection Softening Coagulation Sedimentation Disinfection Softening Coagulation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The drug used in contraceptives is Mestranol Sulphadizene Pencillin Methyl salicylate Mestranol Sulphadizene Pencillin Methyl salicylate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Percentage of uranium in carnotite ore found in Jadugoda (Jharkhand) is about 15 to 25 1 to 5 0.1 to 0.5 5 to 10 15 to 25 1 to 5 0.1 to 0.5 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Average sulphur content in Indian pyrites is about __________ percent. 55 15 70 35 55 15 70 35 ANSWER DOWNLOAD EXAMIANS APP
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