Fertiliser Technology Triple superphosphate which contains about 46% P₂O₅ is produced by the reaction of phosphate rock with ortho phosphoric acid of____percent concentration. > 98 52-54 75-80 25-28 > 98 52-54 75-80 25-28 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Maximum nitrogen percentage is in Ammonium sulphate Urea Liquid ammonia Calcium ammonium nitrate Ammonium sulphate Urea Liquid ammonia Calcium ammonium nitrate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because It is highly acidic in nature Its nitrogen content is very less It is hygroscopic and explosive in nature It is a liquid at room temperature It is highly acidic in nature Its nitrogen content is very less It is hygroscopic and explosive in nature It is a liquid at room temperature ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the Osmotic pressure of the soil water becomes less than that of the plant sap Soil becomes too acidic Osmotic pressure of the soil water becomes higher than that of the plant sap Soil becomes too alkaline Osmotic pressure of the soil water becomes less than that of the plant sap Soil becomes too acidic Osmotic pressure of the soil water becomes higher than that of the plant sap Soil becomes too alkaline ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH₃ to NO is about __________ percent. 98 38 68 82 98 38 68 82 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Bio-fertilisers are cheaper, renewable and pollution free. They improve the __________ of the soil. Water holding capacity Texture All of these Nutrient supply Water holding capacity Texture All of these Nutrient supply ANSWER DOWNLOAD EXAMIANS APP