Chemical Process Styrene (a monomer for the production of polystyrene) is commercially produced by Reacting ethylene oxide with acetal-dehyde Dehydration of ethyl alcohol followed by hydrogenation Catalytic dehydrogenation of ethyl benzene Fermentation of starch Reacting ethylene oxide with acetal-dehyde Dehydration of ethyl alcohol followed by hydrogenation Catalytic dehydrogenation of ethyl benzene Fermentation of starch ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The noble gas which occurs most abundantly in the atmosphere is Helium Neon Krypton Argon Helium Neon Krypton Argon ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrocynic acid (HCN) is used as an insecticide for Controlling poultry lice Potato beetle Controlling timber degradation by ants Citrus fruits Controlling poultry lice Potato beetle Controlling timber degradation by ants Citrus fruits ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda? High cost of mercury High specific gravity of mercury Non-availability of high purity mercury Pollution of water stream by mercury High cost of mercury High specific gravity of mercury Non-availability of high purity mercury Pollution of water stream by mercury ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Lurgi coal gasifier is a pressurised __________ bed reactor. Moving Fluidised Fixed Entrained Moving Fluidised Fixed Entrained ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is an ore concentrating metallurgical process involving a chemical change. Electromagnetic separation Roasting None of these Froth floatation Electromagnetic separation Roasting None of these Froth floatation ANSWER DOWNLOAD EXAMIANS APP
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