Fertiliser Technology Heating of orthophosphoric acid to about 900°C, produces Metaphosphoric acid Pyrophosphoric acid No change in it None of these Metaphosphoric acid Pyrophosphoric acid No change in it None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology A potassic fertiliser contains 50% K₂O. It could be Potassium sulphate A mixture of NaCl+ KCl None of these Potassium chloride Potassium sulphate A mixture of NaCl+ KCl None of these Potassium chloride ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Liquid ammonia is not used as such a fertiliser in tropical countries like India, because It is very costly It is not available It will evaporate on spraying Its N₂ content is very low It is very costly It is not available It will evaporate on spraying Its N₂ content is very low 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? Urea CAN Calcium cyanamide Ammonium sulphate Urea CAN Calcium cyanamide Ammonium sulphate 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 High cost of the high pressure vessel used for the reactor Comparatively higher pressure drop Higher pumping cost Chances of entrainment and disturbance of catalyst bed High cost of the high pressure vessel used for the reactor Comparatively higher pressure drop Higher pumping cost ANSWER DOWNLOAD EXAMIANS APP
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