Chemical Process Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale. Nickel Vanadium Alumina Iron Nickel Vanadium Alumina Iron ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cumene is the starting material for the production of Styrene Benzoic acid Phenol and acetone Isoprene Styrene Benzoic acid Phenol and acetone Isoprene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm. 800 4000 8500 1600 800 4000 8500 1600 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cation exchanger is regenerated usually with H₂SO₄ Alum solution Hydrazine NaOH H₂SO₄ Alum solution Hydrazine NaOH ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Viscose rayon is chemically Regenerated cellulose acetate Cellulose acetate Cellulose nitrate Regenerated cellulose nitrate Regenerated cellulose acetate Cellulose acetate Cellulose nitrate Regenerated cellulose nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene? AgO Al2O₃ ZnCl₂ FE₂O₃ AgO Al2O₃ ZnCl₂ FE₂O₃ ANSWER DOWNLOAD EXAMIANS APP
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