Fertiliser Technology Ammonium nitrate is Not hygroscopic Not prone to explosive thermal decomposition Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer Having about 40% N₂ Not hygroscopic Not prone to explosive thermal decomposition Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer Having about 40% N₂ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Heating a mixture of phosphate rock, coke and sand in an electric furnace produces Ammonium phosphate Phosphorous Superphosphate Phosphoric acid Ammonium phosphate Phosphorous Superphosphate Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Multistage operation (as in the case of catalytic oxidation of SO₂) is not carried out for NH₃ synthesis, because of Comparatively higher pressure drop Chances of entrainment and disturbance of catalyst bed High cost of the high pressure vessel used for the reactor Higher pumping cost Comparatively higher pressure drop Chances of entrainment and disturbance of catalyst bed High cost of the high pressure vessel used for the reactor Higher pumping cost ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Electric process as compared to wet process (for the manufacture of phosphoric acid) Can use only high grade phosphate rock Is weak acid process Is used less frequently Produces a valuable by-product called gypsum Can use only high grade phosphate rock Is weak acid process Is used less frequently Produces a valuable by-product called gypsum ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of calcium fluorapatite with sulphuric acid produces Red phosphorous Simple superphosphate Triple superphosphate Ortho-phosphoric acid Red phosphorous Simple superphosphate Triple superphosphate Ortho-phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it Is toxic and highly corrosive Vaporises at normal temperature Is in short supply Has a pungent smell Is toxic and highly corrosive Vaporises at normal temperature Is in short supply Has a pungent smell ANSWER DOWNLOAD EXAMIANS APP
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