Fertiliser Technology Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by Cryogenic operations (low temperature cooling) None of these Adsorption on palladium Absorption (using ethanolamine or pyragalloll solution) Cryogenic operations (low temperature cooling) None of these Adsorption on palladium Absorption (using ethanolamine or pyragalloll solution) ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which is a catalyst promoter used in catalytic ammonia synthesis reaction? MnO Cr₂O₃ Al₂O₃ K₂O MnO Cr₂O₃ Al₂O₃ K₂O ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N₂ & H₂ is high. The presence of promoter along with the catalyst helps in __________ of the catalyst. Increasing the effectiveness All of these Improving the strength & heat resistance Stabilisation Increasing the effectiveness All of these Improving the strength & heat resistance Stabilisation ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Urea is a better fertilizer than ammonium sulphate, because It is cheaper Nitrogen content is higher It is easy to manufacture It is not poisonous It is cheaper Nitrogen content is higher It is easy to manufacture It is not poisonous ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Heating of orthophosphoric acid to about 900°C, produces No change in it Metaphosphoric acid Pyrophosphoric acid None of these No change in it Metaphosphoric acid Pyrophosphoric acid None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the Osmotic pressure of the soil water becomes less than that of the plant sap Soil becomes too alkaline Soil becomes too acidic Osmotic pressure of the soil water becomes higher than that of the plant sap Osmotic pressure of the soil water becomes less than that of the plant sap Soil becomes too alkaline Soil becomes too acidic Osmotic pressure of the soil water becomes higher than that of the plant sap ANSWER DOWNLOAD EXAMIANS APP
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