Fertiliser Technology In an ammonia plant, the purge off is essential to Remove uncondensed ammonia vapour Maintain inert gas concentration within a limit Remove excess poisonous gases Maintain H₂ : N₂ ratio at 3 :1 Remove uncondensed ammonia vapour Maintain inert gas concentration within a limit Remove excess poisonous gases Maintain H₂ : N₂ ratio at 3 :1 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following nitrogenous fertilisers has the highest percentage of nitrogen? Urea Calcium ammonium nitrate (CAN) Calcium nitrate Ammonium sulphate Urea Calcium ammonium nitrate (CAN) Calcium nitrate Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Superphosphate is manufactured by reacting phosphate rock with None of these Aluminium chloride Sulphuric acid Acetic acid None of these Aluminium chloride Sulphuric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Fertiliser plants get their N₂ requirements From producer gas From coal gas (coke oven gas) By fractionation of liquified air By dissociating oxides of nitrogen From producer gas From coal gas (coke oven gas) By fractionation of liquified air By dissociating oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In ammonia synthesis (N₂ + 3H₂ = 2NH₃), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should be carried out at High pressure Low pressure Very high temperature Atmospheric pressure; as the pressure has no effect on conversion High pressure Low pressure Very high temperature Atmospheric pressure; as the pressure has no effect on conversion ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Main component of bone ash is Calcium sulphate Calcium phosphate Sodium phosphate Calcium carbonate Calcium sulphate Calcium phosphate Sodium phosphate Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
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