Fertiliser Technology Main constituent of phosphate rock is Calcium fluoride Calcium phosphate Flour apatite Ammonium phosphate Calcium fluoride Calcium phosphate Flour apatite Ammonium phosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Chemical formula of biuret is NH₃.COO.NH₃ NH₄COONH₂ NH₂CONHCONH₂ NH₂.CO.NH₂ NH₃.COO.NH₃ NH₄COONH₂ NH₂CONHCONH₂ NH₂.CO.NH₂ 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 Yield of elemental phosphorous from rock phosphate is about __________ percent. 40-45 1-2 15-25 60-65 40-45 1-2 15-25 60-65 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. 82 98 68 38 82 98 68 38 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following fertilisers contains the least percentage of nitrogen? Urea Ammonium phosphate Ammonium sulphate Liquid ammonia Urea Ammonium phosphate Ammonium sulphate Liquid ammonia ANSWER DOWNLOAD EXAMIANS APP
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