Chemical Process Use of hydrated lime in water treatment All of these Is to adjust the pH value Before filtration, reduces the bacterial load on filters After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ All of these Is to adjust the pH value Before filtration, reduces the bacterial load on filters After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Shaving soaps are Soft potassium soaps (potassium salt of fatty acid) with free stearic acid to give lather a lasting property Metalic soaps compounded with frothing agents None of these High free alkali soaps having excess of cane sugar and alcohol Soft potassium soaps (potassium salt of fatty acid) with free stearic acid to give lather a lasting property Metalic soaps compounded with frothing agents None of these High free alkali soaps having excess of cane sugar and alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following has sodium bicarbonate as its main constituent ? Washing soda Baking powder Baking soda None of these Washing soda Baking powder Baking soda None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Ore concentration by froth floatation utilises the __________ of ore particles. Density difference Wetting characteristics Terminal velocities None of these Density difference Wetting characteristics Terminal velocities None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Vinyl chloride (CH₂ = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of 4 kgf/cm² & 500°C 10 kgf/cm² & 1000°C 40 kg/cm² & 200°C 100 kgi/cm² & 500°C 4 kgf/cm² & 500°C 10 kgf/cm² & 1000°C 40 kg/cm² & 200°C 100 kgi/cm² & 500°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Nicotine is Both A and B Neither A nor B Obtained by treating by-products of the tobacco processing industry A volatile alkaloid Both A and B Neither A nor B Obtained by treating by-products of the tobacco processing industry A volatile alkaloid ANSWER DOWNLOAD EXAMIANS APP
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