Chemical Process Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene? Al2O₃ AgO ZnCl₂ FE₂O₃ Al2O₃ AgO ZnCl₂ FE₂O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chalcopyrite is the main ore of Iron Copper Lead Tin Iron Copper Lead Tin ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C. 150-200 250-300 25 60-70 150-200 250-300 25 60-70 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphur removal by heating of pyrite ore in presence of air is called its Smelting Roasting Calcination Reduction Smelting Roasting Calcination Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemical Process During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as It decomposes on further increasing the temperature It is very corrosive at elevated temperature Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) None of these It decomposes on further increasing the temperature It is very corrosive at elevated temperature Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phosphoric acid is prepared from Rock phosphate None of these Cryolite Chalcopyrite Rock phosphate None of these Cryolite Chalcopyrite ANSWER DOWNLOAD EXAMIANS APP
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