Chemical Process Pick out the false statement pertaining to water treatment. The zeolite water softening process reduces the hardness of water by not more than 50% Sodium sulphate or sodium carbonate do not cause hardness in water Water with pH value less than 7, is acidic Aeration of water is effective in CO₂ removal The zeolite water softening process reduces the hardness of water by not more than 50% Sodium sulphate or sodium carbonate do not cause hardness in water Water with pH value less than 7, is acidic Aeration of water is effective in CO₂ removal ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following impurities in feed water for high pressure boiler is the most detrimental? Suspended salt Dissolved salt Dissolved oxygen Silica Suspended salt Dissolved salt Dissolved oxygen Silica ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Air used in aerobic fermentation must be sterilized, otherwise the Contamination of pure culture would result Recovery of product will be difficult None of these Uniformity of product cannot be achieved Contamination of pure culture would result Recovery of product will be difficult None of these Uniformity of product cannot be achieved ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In Kraft process of paper manufacture, white cooking liquor consists of caustic soda None of these Sodium sulphide & sodium carbonate Sodium sulphite & sodium carbonate Sodium sulphite & sodium sulphide None of these Sodium sulphide & sodium carbonate Sodium sulphite & sodium carbonate Sodium sulphite & sodium sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Shaving soaps are High free alkali soaps having excess of cane sugar and alcohol Metalic soaps compounded with frothing agents None of these Soft potassium soaps (potassium salt of fatty acid) with free stearic acid to give lather a lasting property High free alkali soaps having excess of cane sugar and alcohol Metalic soaps compounded with frothing agents None of these Soft potassium soaps (potassium salt of fatty acid) with free stearic acid to give lather a lasting property ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is used as a coagulant in water treatment? Chlorine Hydrogen peroxide Ferrous sulphate Chloramine Chlorine Hydrogen peroxide Ferrous sulphate Chloramine ANSWER DOWNLOAD EXAMIANS APP
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