Chemical Process __________ is an ore concentrating metallurgical process involving a chemical change. Froth floatation Roasting Electromagnetic separation None of these Froth floatation Roasting Electromagnetic separation None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phthalic anhydride is used In insecticides manufacture In making PVC As plasticisers For making nylon-6 In insecticides manufacture In making PVC As plasticisers For making nylon-6 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ process is used for the manufacture of sodium carbonate by ammonia soda process. Ostwald's Haber's Bosch Solvay Ostwald's Haber's Bosch Solvay ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Black liquor is converted into white liquor by Evaporation and burning the concentrate followed by causticisation of products Selective liquid extraction Extractive distillation Multi-effect evaporation only Evaporation and burning the concentrate followed by causticisation of products Selective liquid extraction Extractive distillation Multi-effect evaporation only ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Use of hydrated lime in water treatment After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ Is to adjust the pH value All of these Before filtration, reduces the bacterial load on filters After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂ Is to adjust the pH value All of these Before filtration, reduces the bacterial load on filters ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following impurities in feed water for high pressure boiler is the most detrimental? Suspended salt Silica Dissolved oxygen Dissolved salt Suspended salt Silica Dissolved oxygen Dissolved salt ANSWER DOWNLOAD EXAMIANS APP
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