Fertiliser Technology Which is a catalyst promoter used in catalytic ammonia synthesis reaction? MnO Al₂O₃ K₂O Cr₂O₃ MnO Al₂O₃ K₂O Cr₂O₃ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N₂ & H₂ is high. The presence of promoter along with the catalyst helps in __________ of the catalyst. Stabilisation All of these Improving the strength & heat resistance Increasing the effectiveness Stabilisation All of these Improving the strength & heat resistance Increasing the effectiveness 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 950-1050 500-750 250-300 1400-1450 950-1050 500-750 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Catalyst used in Haber's process for ammonia production is Vanadium pentoxide Reduced iron oxide Nickel Silica gel Vanadium pentoxide Reduced iron oxide Nickel Silica gel ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas? Tar Coal/coke oven gas Naphtha Water Tar Coal/coke oven gas Naphtha Water ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is __________ fertiliser. None of these Phosphatic Nitrogenous Potassic None of these Phosphatic Nitrogenous Potassic ANSWER DOWNLOAD EXAMIANS APP
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