Fertiliser Technology Biuret formation in urea is kept at minimum (< 1 %), because it is Toxic and harmful to some crops Corrosive in nature Explosive in nature Helpful in decomposition of urea Toxic and harmful to some crops Corrosive in nature Explosive in nature Helpful in decomposition of urea ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In the manufacture of urea, the intermediate chemical formed is Ammonium carbamate None of these Ammonium carbonate Biuret Ammonium carbamate None of these Ammonium carbonate Biuret ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Vetrocoke solution is Na₂SO₄ K₂SO₄ A mixture of Na₂CO₃ and As₂O₃ A mixture of K₂CO₃ and As₂O₃ Na₂SO₄ K₂SO₄ A mixture of Na₂CO₃ and As₂O₃ A mixture of K₂CO₃ and As₂O₃ ANSWER DOWNLOAD EXAMIANS APP
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 Temperature and pressure in ammonia converter is 450 atm, 550°C 200 atm, 1000°C 450 atm, 200°C 450 atm, 1000°C 450 atm, 550°C 200 atm, 1000°C 450 atm, 200°C 450 atm, 1000°C 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 Chances of entrainment and disturbance of catalyst bed Higher pumping cost Comparatively higher pressure drop High cost of the high pressure vessel used for the reactor Chances of entrainment and disturbance of catalyst bed Higher pumping cost Comparatively higher pressure drop High cost of the high pressure vessel used for the reactor ANSWER DOWNLOAD EXAMIANS APP
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