Chemical Process Roasting of metallurgical ores is done mainly to Remove arsenic & sulphur Sinter the ore Dehydrate it Remove CO₂ & H₂O Remove arsenic & sulphur Sinter the ore Dehydrate it Remove CO₂ & H₂O ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following processes can remove both temporary as well as permanent hardness of water? Boiling Filtration None of these Distillation Boiling Filtration None of these Distillation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Drinking (potable) water treatment does not involve Sedimentation Disinfection Coagulation Softening Sedimentation Disinfection Coagulation Softening ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Coke used for the production of calcium carbide should have Low ignition temperature All of these High electrical resistivity Low ash content Low ignition temperature All of these High electrical resistivity Low ash content ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sodium chloride content in sea water is about __________ gms/litre. 25 50 10 2 25 50 10 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Reverse osmosis is normally used for the Separation of isotopes of uranium from gaseous uranium hexaflouride Desalination of brackish water to produce potable (drinking) water Separation of helium from natural gas Purification of oxygen Separation of isotopes of uranium from gaseous uranium hexaflouride Desalination of brackish water to produce potable (drinking) water Separation of helium from natural gas Purification of oxygen ANSWER DOWNLOAD EXAMIANS APP