Fertiliser Technology Iron is not used alone as a catalyst in ammonia synthesis, because 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 It gets oxidised above 500°C ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology H₃PO₄ is the chemical formula of __________ phosphoric acid. None of these Pyro Meta Ortho None of these Pyro Meta Ortho ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which is the most suitable fertiliser for paddy? Ammonium nitrate Ammonium sulphate CAN Superphosphate Ammonium nitrate Ammonium sulphate CAN Superphosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of nitric acid and sulphuric acid with phosphate rock produces Diammonium phosphate Tricresyl phosphate Tributyl phosphate Nitrophosphate Diammonium phosphate Tricresyl phosphate Tributyl phosphate Nitrophosphate 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 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 Chances of entrainment and disturbance of catalyst bed Higher pumping cost ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Flushing liquor used for cooling coke oven gas constitutes of Dilute H₂SO₄ K₂CO₃ solution Dilute HCl Ammoniacal liquor Dilute H₂SO₄ K₂CO₃ solution Dilute HCl Ammoniacal liquor ANSWER DOWNLOAD EXAMIANS APP
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