Chemical Process Maleic anhydride is produced by catalytic oxidation of Naphthalene Benzene Ethyl alcohol Toluene Naphthalene Benzene Ethyl alcohol Toluene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process SO₂ is bubbled through hot sugar cane juice to Act as an acidifying agent Increase the amount of molasses Increase the crystal size Increase its concentration Act as an acidifying agent Increase the amount of molasses Increase the crystal size Increase its concentration ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Lime and soda ash are added to water to remove Bicarbonates & sulphates of calcium and magnesium Its corrosiveness Undersirable taste and odour Bacteria Bicarbonates & sulphates of calcium and magnesium Its corrosiveness Undersirable taste and odour Bacteria ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Good quality of edible salt is obtained from brine by the process of Electrolysis Freeze drying Solar evaporation Vacuum evaporation Electrolysis Freeze drying Solar evaporation Vacuum evaporation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is All of these Still in development stage (by employing fluidised bed technique) A slow reaction A discontinuous reaction (requiring regeneration of iron by water gas intermittently) All of these Still in development stage (by employing fluidised bed technique) A slow reaction A discontinuous reaction (requiring regeneration of iron by water gas intermittently) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C. -196 -183 -103 -53 -196 -183 -103 -53 ANSWER DOWNLOAD EXAMIANS APP