Fertiliser Technology Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the Presence of an oxidising atmosphere Absence of air Presence of an inert atmosphere Presence of a reducing atmosphere Presence of an oxidising atmosphere Absence of air Presence of an inert atmosphere Presence of a reducing atmosphere ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium Phosphate Bicarbonate Silicate Carbonate Phosphate Bicarbonate Silicate Carbonate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Raw materials for nitric acid manufacture are Hydrogen peroxide, air and water Wet ammonia, air and water Anhydrous ammonia, air and water Anhydrous ammonia and air Hydrogen peroxide, air and water Wet ammonia, air and water Anhydrous ammonia, air and water Anhydrous ammonia and air ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which nutrient in fertiliser makes the plant stems stronger and increases branching? Calcium Potassium Nitrogen Phosphorous Calcium Potassium Nitrogen Phosphorous 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. 38 82 68 98 38 82 68 98 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Low grade coal is __________ to produce ammonia synthesis gas. Dehydrogenated Gasified Liquefied Hydrogenated Dehydrogenated Gasified Liquefied Hydrogenated ANSWER DOWNLOAD EXAMIANS APP
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