Chemical Process Boiling of water containing temporary hardness produces None of these CaHCO₃ CaSO₄ CO₂ None of these CaHCO₃ CaSO₄ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is used as a flux in the smelting of copper ore like chalcopyrite. Lime powder Dolomite Silica/quartz Coke breeze Lime powder Dolomite Silica/quartz Coke breeze ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Essential oils are usually obtained using Steam distillation Extractive distillation Leaching Solvent extraction Steam distillation Extractive distillation Leaching Solvent extraction ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ore concentration by froth floatation utilises the __________ of ore particles. Density difference None of these Wetting characteristics Terminal velocities Density difference None of these Wetting characteristics Terminal velocities ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phthalic anhydride is made by the Oxidation of benzene Dehydrogenation of ethyl benzene Oxidation of naphthalene None of these Oxidation of benzene Dehydrogenation of ethyl benzene Oxidation of naphthalene None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Neon gas is Filled in lamps having tungsten filament Used in color discharge tube Flammable in nature All of these Filled in lamps having tungsten filament Used in color discharge tube Flammable in nature All of these ANSWER DOWNLOAD EXAMIANS APP