Chemical Process Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale. Nickel Alumina Iron Vanadium Nickel Alumina Iron Vanadium ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrazine is used in water treatment for the removal of Chlorinous taste Colloidal impurities Turbidity Dissolved oxygen Chlorinous taste Colloidal impurities Turbidity Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemical Process SO₂ is bubbled through hot sugar cane juice to Increase the crystal size Act as an acidifying agent Increase its concentration Increase the amount of molasses Increase the crystal size Act as an acidifying agent Increase its concentration Increase the amount of molasses ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ are added in lacquers to remove film brittleness and to improve adhereness. Plasticisers Diluents Solvents Film forming materials Plasticisers Diluents Solvents Film forming materials ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Use of chlorine in the treatment of sewage Causes bulking of activated sludge Helps in grease separation Aids in flocculation Increases the biological oxygen demand(BOD) Causes bulking of activated sludge Helps in grease separation Aids in flocculation Increases the biological oxygen demand(BOD) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of Trichloroethylene Perchloroethylene Methanol Parathion Trichloroethylene Perchloroethylene Methanol Parathion ANSWER DOWNLOAD EXAMIANS APP
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