Fertiliser Technology In the manufacture of urea, the intermediate chemical formed is None of these Biuret Ammonium carbamate Ammonium carbonate None of these Biuret Ammonium carbamate Ammonium carbonate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology __________ catalyst is used in the production of urea from CO₂ and NH₃. Nickel Vanadium pentoxide Alumina No Nickel Vanadium pentoxide Alumina No ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N₂ & H₂ is high. The presence of promoter along with the catalyst helps in __________ of the catalyst. Stabilisation Increasing the effectiveness All of these Improving the strength & heat resistance Stabilisation Increasing the effectiveness All of these Improving the strength & heat resistance 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 Has a pungent smell Vaporises at normal temperature Is in short supply Is toxic and highly corrosive Has a pungent smell Vaporises at normal temperature Is in short supply ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Leaching of phosphate rock by strong __________ acid produces phosphoric acid. Hydrochloric Neither A nor B Sulphuric Either A or B Hydrochloric Neither A nor B Sulphuric Either A or B ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In an ammonia plant, the purge off is essential to Remove excess poisonous gases Remove uncondensed ammonia vapour Maintain H₂ : N₂ ratio at 3 :1 Maintain inert gas concentration within a limit Remove excess poisonous gases Remove uncondensed ammonia vapour Maintain H₂ : N₂ ratio at 3 :1 Maintain inert gas concentration within a limit ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS