Fertiliser Technology During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH₃ to NO is about __________ percent. 82 68 38 98 82 68 38 98 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Steam reforming of naphtha is a source of hydrogen production for nitrogeneous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha? 0.41736111111111 0.62569444444444 3.5:1 1.5:1 0.41736111111111 0.62569444444444 3.5:1 1.5:1 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Red phosphorous is changed into white phosphorous by None of these Vaporisation followed by condensation Melting under pressure Heating in presence of light None of these Vaporisation followed by condensation Melting under pressure Heating in presence of light 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. Stabilisation Improving the strength & heat resistance All of these Increasing the effectiveness Stabilisation Improving the strength & heat resistance All of these Increasing the effectiveness ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Calcium ammonium nitrate (CAN) is Not a fertiliser ; it is an explosive A straight fertiliser A mixed fertiliser A complex fertiliser Not a fertiliser ; it is an explosive A straight fertiliser A mixed fertiliser A complex fertiliser ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology The composition of fresh feed to the high temperature, high pressure urea autoclave is Liquid ammonia and excess compressed CO₂ Compressed ammonia gas and excess compressed CO₂ Excess liquid ammonia and compressed CO₂ gas Excess liquid ammonia and liquefied CO₂ Liquid ammonia and excess compressed CO₂ Compressed ammonia gas and excess compressed CO₂ Excess liquid ammonia and compressed CO₂ gas Excess liquid ammonia and liquefied CO₂ ANSWER DOWNLOAD EXAMIANS APP
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