Chemical Process Concentration of hydrogen peroxide is done by Crystallisation Dehydration Vacuum crystallisation Atmospheric distillation Crystallisation Dehydration Vacuum crystallisation Atmospheric distillation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Roasting of metallurgical ores is done mainly to Dehydrate it Remove CO₂ & H₂O Remove arsenic & sulphur Sinter the ore Dehydrate it Remove CO₂ & H₂O Remove arsenic & sulphur Sinter the ore ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the false statement pertaining to water treatment. Sodium sulphate or sodium carbonate do not cause hardness in water The zeolite water softening process reduces the hardness of water by not more than 50% Water with pH value less than 7, is acidic Aeration of water is effective in CO₂ removal Sodium sulphate or sodium carbonate do not cause hardness in water The zeolite water softening process reduces the hardness of water by not more than 50% 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 sugars is the sweetest? Lactose Sucrose Glucose Fructose Lactose Sucrose Glucose Fructose 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 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 4 kgf/cm² & 500°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main constituents of portland cement are calcium aluminate and Gypsum Sodium silicate Silicates Carbonates Gypsum Sodium silicate Silicates Carbonates ANSWER DOWNLOAD EXAMIANS APP