Fertiliser Technology In an ammonia plant, the purge off is essential to Maintain inert gas concentration within a limit Remove uncondensed ammonia vapour Remove excess poisonous gases Maintain H₂ : N₂ ratio at 3 :1 Maintain inert gas concentration within a limit Remove uncondensed ammonia vapour Remove excess poisonous gases Maintain H₂ : N₂ ratio at 3 :1 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. All of these Improving the strength & heat resistance Increasing the effectiveness Stabilisation All of these Improving the strength & heat resistance Increasing the effectiveness Stabilisation ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Biuret formation in urea is kept at minimum (< 1 %), because it is Explosive in nature Corrosive in nature Toxic and harmful to some crops Helpful in decomposition of urea Explosive in nature Corrosive in nature Toxic and harmful to some crops Helpful in decomposition of urea ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Heating a mixture of phosphate rock, coke and sand in an electric furnace produces Ammonium phosphate Superphosphate Phosphorous Phosphoric acid Ammonium phosphate Superphosphate Phosphorous Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Maximum nitrogen percentage is in Liquid ammonia Ammonium sulphate Calcium ammonium nitrate Urea Liquid ammonia Ammonium sulphate Calcium ammonium nitrate Urea ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Triple superphosphate is made by reacting phosphate rock with __________ acid. Hydrochloric Nitric Sulphuric Phosphoric Hydrochloric Nitric Sulphuric Phosphoric ANSWER DOWNLOAD EXAMIANS APP
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