Chemical Process Sodium chloride content in sea water is about __________ gms/litre. 2 25 10 50 2 25 10 50 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Styrene (a monomer for the production of polystyrene) is commercially produced by 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 Dehydration of ethyl alcohol followed by hydrogenation Fermentation of starch ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The yield of tar from high temperature carbonisation of dry coal is about __________ percent. 12 22 3 0.3 12 22 3 0.3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Use of chlorine in the treatment of sewage Aids in flocculation Helps in grease separation Increases the biological oxygen demand(BOD) Causes bulking of activated sludge Aids in flocculation Helps in grease separation Increases the biological oxygen demand(BOD) Causes bulking of activated sludge ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical name of aspirin (an analgesic drug) is Acetylsalicylic acid Nictonic acid Methyl salicylate Calcium acetate Acetylsalicylic acid Nictonic acid Methyl salicylate Calcium acetate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is an ore concentrating metallurgical process involving a chemical change. Froth floatation Electromagnetic separation Roasting None of these Froth floatation Electromagnetic separation Roasting None of these ANSWER DOWNLOAD EXAMIANS APP
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