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
Fertiliser Technology In the manufacture of orthophosphoric acid by strong H₂SO₄ leaching wet process, keeping the reactor temperature above 100°C, results in the formation of undesriable Pyrophosphoric acid CaSO₄ .½H₂O and CaSO₄ crystals All of these Metaphosphoric acid Pyrophosphoric acid CaSO₄ .½H₂O and CaSO₄ crystals All of these Metaphosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because It is highly acidic in nature It is hygroscopic and explosive in nature Its nitrogen content is very less It is a liquid at room temperature It is highly acidic in nature It is hygroscopic and explosive in nature Its nitrogen content is very less It is a liquid at room temperature ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Steam reforming of naphtha is a source of hydrogen production for nitrogeneous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha? 0.41736111111111 1.5:1 0.62569444444444 3.5:1 0.41736111111111 1.5:1 0.62569444444444 3.5:1 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following nitrogenous fertilisers has the highest percentage of nitrogen? Calcium ammonium nitrate (CAN) Urea Calcium nitrate Ammonium sulphate Calcium ammonium nitrate (CAN) Urea Calcium nitrate Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of __________ acid with phosphate rock produces superphosphates. Hydrochloric Phosphoric Nitric Sulphuric Hydrochloric Phosphoric Nitric Sulphuric ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS