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% 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 Sodium sulphate or sodium carbonate do not cause hardness in water ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Lime and soda ash are added to water to remove Bicarbonates & sulphates of calcium and magnesium Bacteria Undersirable taste and odour Its corrosiveness Bicarbonates & sulphates of calcium and magnesium Bacteria Undersirable taste and odour Its corrosiveness ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Nitric acid is not used in the manufacture of Fertilisers Aqua regia Detergents Explosives Fertilisers Aqua regia Detergents Explosives ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Washing of coal is done to Both B and C Remove the adhering impurities Reduce the ash content Remove the inherent impurities Both B and C Remove the adhering impurities Reduce the ash content Remove the inherent impurities ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phenol formaldehyde Is an abrasive material Employs addition polymerisation Employs condensation polymerisation Is a monomer Is an abrasive material Employs addition polymerisation Employs condensation polymerisation Is a monomer ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pig iron is produced by blast furnaces in India using mostly the iron ore named Hematite Chalcopyrite Magnetite Siderite Hematite Chalcopyrite Magnetite Siderite ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS