Fertiliser Technology Which of the following fertilisers is used as a cattle feed? Urea Calcium ammonium nitrate Ammonium sulphate Superphosphate Urea Calcium ammonium nitrate Ammonium sulphate Superphosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Catalyst used in the oxidation of ammonia is Platinum-beryllium Platinum-molybdenum Cobalt-molybdenum Platinum-rhodium Platinum-beryllium Platinum-molybdenum Cobalt-molybdenum Platinum-rhodium ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Multistage operation (as in the case of catalytic oxidation of SO₂) is not carried out for NH₃ synthesis, because of High cost of the high pressure vessel used for the reactor Higher pumping cost Comparatively higher pressure drop Chances of entrainment and disturbance of catalyst bed High cost of the high pressure vessel used for the reactor Higher pumping cost Comparatively higher pressure drop Chances of entrainment and disturbance of catalyst bed ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils? Ammonium sulphate Urea CAN Calcium cyanamide Ammonium sulphate Urea CAN Calcium cyanamide ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Iron is not used alone as a catalyst in ammonia synthesis, because It gets oxidised above 500°C None of these It decomposes ammonia Its activity declines rapidly, if heated to above 520°C It gets oxidised above 500°C None of these It decomposes ammonia Its activity declines rapidly, if heated to above 520°C 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 Metaphosphoric acid CaSO₄ .½H₂O and CaSO₄ crystals Pyrophosphoric acid All of these Metaphosphoric acid CaSO₄ .½H₂O and CaSO₄ crystals Pyrophosphoric acid All of these ANSWER DOWNLOAD EXAMIANS APP
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