Fertiliser Technology Dehydration of ammonium carbamate to yield urea is a/an __________ reaction. Exothermic Endothermic Autocatalytic Catalytic Exothermic Endothermic Autocatalytic Catalytic ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following nitrogenous fertilisers has the highest percentage of nitrogen? Calcium ammonium nitrate (CAN) Urea Calcium nitrate Ammonium sulphate Calcium ammonium nitrate (CAN) Urea Calcium nitrate Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done. All of these Increased cost of equipment Increased biuret formation High corrosion rate All of these Increased cost of equipment Increased biuret formation High corrosion rate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Catalyst used in the manufacture of NH₃ by Haber's process is finely divided Nickel Iron Vanadium pentoxide Alumina Nickel Iron Vanadium pentoxide Alumina ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils? CAN Ammonium sulphate Urea Calcium cyanamide CAN Ammonium sulphate Urea Calcium cyanamide ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Heating of coke, sand & phosphate rock in an electric furnace is done for the manufacture of Phosphorous Triple superphosphate Phosphoric acid Superphosphate Phosphorous Triple superphosphate Phosphoric acid Superphosphate ANSWER DOWNLOAD EXAMIANS APP
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