Chemical Process Styrene (a monomer for the production of polystyrene) is commercially produced by 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 Reacting ethylene oxide with acetal-dehyde Dehydration of ethyl alcohol followed by hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main constituents of cotton fiber is Gelatine Starch Lignin Cellulose Gelatine Starch Lignin Cellulose ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Starting raw material for the manufacture of maleic anhydride is Either A or B N-butene Benzene Neither A nor B Either A or B N-butene Benzene Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil. Semi-drying Drying Non-drying None of these Semi-drying Drying Non-drying None of these 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. -53 -196 -103 -183 -53 -196 -103 -183 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Good quality of edible salt is obtained from brine by the process of Electrolysis Freeze drying Vacuum evaporation Solar evaporation Electrolysis Freeze drying Vacuum evaporation Solar evaporation ANSWER DOWNLOAD EXAMIANS APP