Fertiliser Technology Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils? Calcium cyanamide CAN Ammonium sulphate Urea Calcium cyanamide CAN Ammonium sulphate Urea ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Yield of elemental phosphorous from rock phosphate is about __________ percent. 40-45 15-25 1-2 60-65 40-45 15-25 1-2 60-65 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Maximum stability of white phosphorous is at Atmospheric pressure >600°C Room temperature Very high pressure Atmospheric pressure >600°C Room temperature Very high pressure ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Catalytic ammonia synthesis reaction as in Haber's process is Exothermic Irreversible None of these Endothermic Exothermic Irreversible None of these Endothermic 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. 68 82 98 38 68 82 98 38 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of phosphate rock with 98% H₂SO₄ produces Superphosphate White phosphorous Orthophosphoric acid None of these Superphosphate White phosphorous Orthophosphoric acid None of these ANSWER DOWNLOAD EXAMIANS APP
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