Fertiliser Technology Maximum nitrogen percentage is in Liquid ammonia Calcium ammonium nitrate Ammonium sulphate Urea Liquid ammonia Calcium ammonium nitrate Ammonium sulphate Urea ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Ammonia synthesis gas is produced from natural gas by Thermal cracking Partial oxidation Steam reforming Hydrogenation Thermal cracking Partial oxidation Steam reforming Hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Electric process as compared to wet process (for the manufacture of phosphoric acid) Produces a valuable by-product called gypsum Is weak acid process Can use only high grade phosphate rock Is used less frequently Produces a valuable by-product called gypsum Is weak acid process Can use only high grade phosphate rock Is used less frequently ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Chemical formula of metaphosphoric acid is Same as that of pyrophosphoric acid H₃PO₄ HPO₃ H₄P₂O₇ Same as that of pyrophosphoric acid H₃PO₄ HPO₃ H₄P₂O₇ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air. 800-900 250-400 1000-1200 50-80 800-900 250-400 1000-1200 50-80 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In an ammonia plant, the purge off is essential to Maintain H₂ : N₂ ratio at 3 :1 Remove excess poisonous gases Remove uncondensed ammonia vapour Maintain inert gas concentration within a limit Maintain H₂ : N₂ ratio at 3 :1 Remove excess poisonous gases Remove uncondensed ammonia vapour Maintain inert gas concentration within a limit ANSWER DOWNLOAD EXAMIANS APP