Fertiliser Technology Electric furnace method for production of phosphorous uses phosphate rock And sulphuric acid Silica and coke And coke And phosphoric acid And sulphuric acid Silica and coke And coke And phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of nitric acid and sulphuric acid with phosphate rock produces Tricresyl phosphate Diammonium phosphate Nitrophosphate Tributyl phosphate Tricresyl phosphate Diammonium phosphate Nitrophosphate Tributyl phosphate 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. Improving the strength & heat resistance Increasing the effectiveness All of these Stabilisation Improving the strength & heat resistance Increasing the effectiveness All of these Stabilisation ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Though kinetics of ammonia synthesis dictates the use of low temperature for high equilibrium conversion, yet it is kept moderately high (550°C), because at low temperature Rate of reaction is very low None of these Very high pressure is required resulting in costly pressure vessel Space velocity of gas is very low resulting in decreased conversion Rate of reaction is very low None of these Very high pressure is required resulting in costly pressure vessel Space velocity of gas is very low resulting in decreased conversion ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following nitrogenous fertilisers has the highest percentage of nitrogen? Calcium ammonium nitrate (CAN) Calcium nitrate Ammonium sulphate Urea Calcium ammonium nitrate (CAN) Calcium nitrate Ammonium sulphate Urea ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following fertilisers is needed for promoting the development of leaves and stems during early stages of plant growth? Potassic fertiliser Nitrogeneous fertiliser Phosphatic fertiliser None of these Potassic fertiliser Nitrogeneous fertiliser Phosphatic fertiliser None of these ANSWER DOWNLOAD EXAMIANS APP
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