Fertiliser Technology Reaction of phosphate rock with 98% H₂SO₄ produces White phosphorous Superphosphate Orthophosphoric acid None of these White phosphorous Superphosphate Orthophosphoric acid None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ °C. 250-300 1400-1450 500-750 950-1050 250-300 1400-1450 500-750 950-1050 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Fertiliser value of a nitrogeneous fertiliser is expressed in terms of its __________ content. NHO₃ KNO₃ NO₂ N₂ NHO₃ KNO₃ NO₂ N₂ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis? Cracking of natural gas Steam reforming of naphtha H? separation from coke oven gas Electrolysis of water Cracking of natural gas Steam reforming of naphtha H? separation from coke oven gas Electrolysis of water ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In an ammonia plant, the purge off is essential to Remove uncondensed ammonia vapour Maintain inert gas concentration within a limit Remove excess poisonous gases Maintain H₂ : N₂ ratio at 3 :1 Remove uncondensed ammonia vapour Maintain inert gas concentration within a limit Remove excess poisonous gases Maintain H₂ : N₂ ratio at 3 :1 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following fertilisers is needed for promoting the development of leaves and stems during early stages of plant growth? None of these Potassic fertiliser Nitrogeneous fertiliser Phosphatic fertiliser None of these Potassic fertiliser Nitrogeneous fertiliser Phosphatic fertiliser ANSWER DOWNLOAD EXAMIANS APP