Chemical Process Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C. -5 to 0 5 to 10 75 to 80 30 to 50 -5 to 0 5 to 10 75 to 80 30 to 50 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction? Reduction of Cl- ions Oxidation of Na+ ions Reduction of Na+ ions Oxidation of Cl- ions Reduction of Cl- ions Oxidation of Na+ ions Reduction of Na+ ions Oxidation of Cl- ions ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Permanent hardness of water is due to the presence of calcium & magnesium None of these Sulphates & chlorides Carbonate Bi-carbonates None of these Sulphates & chlorides Carbonate Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ore concentration by froth floatation utilises the __________ of ore particles. Wetting characteristics Terminal velocities Density difference None of these Wetting characteristics Terminal velocities Density difference None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene? AgO FE₂O₃ ZnCl₂ Al2O₃ AgO FE₂O₃ ZnCl₂ Al2O₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Concentration of hydrogen peroxide is done by Atmospheric distillation Dehydration Crystallisation Vacuum crystallisation Atmospheric distillation Dehydration Crystallisation Vacuum crystallisation ANSWER DOWNLOAD EXAMIANS APP
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