Fertiliser Technology Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ °C. 950-1050 1400-1450 500-750 250-300 950-1050 1400-1450 500-750 250-300 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Biuret formation in urea is kept at minimum (< 1 %), because it is Corrosive in nature Helpful in decomposition of urea Toxic and harmful to some crops Explosive in nature Corrosive in nature Helpful in decomposition of urea Toxic and harmful to some crops Explosive in nature ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because 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 It is highly acidic in nature Its nitrogen content is very less ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Nitrogen content of a nitrogenous fertiliser is 35%. It could be Urea Calcium ammonium nitrate (CAN) Ammonium nitrate Ammonium sulphate Urea Calcium ammonium nitrate (CAN) Ammonium nitrate Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In an ammonia plant, the purge off is essential to Maintain inert gas concentration within a limit Maintain H₂ : N₂ ratio at 3 :1 Remove excess poisonous gases Remove uncondensed ammonia vapour Maintain inert gas concentration within a limit Maintain H₂ : N₂ ratio at 3 :1 Remove excess poisonous gases Remove uncondensed ammonia vapour ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Ammonium nitrate is Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer Not prone to explosive thermal decomposition Having about 40% N₂ Not hygroscopic Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer Not prone to explosive thermal decomposition Having about 40% N₂ Not hygroscopic ANSWER DOWNLOAD EXAMIANS APP
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