Fertiliser Technology Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air. 250-400 50-80 1000-1200 800-900 250-400 50-80 1000-1200 800-900 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology __________ is the undesirable by-product produced in the manufacture of urea. Ammonium carbamate Carbon dioxide Biuret Ammonium carbonate Ammonium carbamate Carbon dioxide Biuret Ammonium carbonate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Ammonia synthesis reaction is Endothermic None of these Exothermic Autocatalytic Endothermic None of these Exothermic Autocatalytic 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. All of these Improving the strength & heat resistance Increasing the effectiveness Stabilisation All of these Improving the strength & heat resistance Increasing the effectiveness Stabilisation ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is __________ fertiliser. Nitrogenous Potassic Phosphatic None of these Nitrogenous Potassic Phosphatic None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Nitro-phosphate (manufactured at Trom-bay) is a __________ fertiliser. Complex Highly hygroscopic Mixed Highly explosive Complex Highly hygroscopic Mixed Highly explosive ANSWER DOWNLOAD EXAMIANS APP