Fertiliser Technology Nitric acid is produced on commercial scale in a fertiliser plant by None of these CaNO₃ + H₂SO₄ reaction Passing air through high voltage electric arc Oxidation of ammonia None of these CaNO₃ + H₂SO₄ reaction Passing air through high voltage electric arc Oxidation of ammonia ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology A nitrogenous fertiliser contains 20% N₂. It could be Ammonium nitrate Calcium ammonium nitrate (CAN) Ammonium chloride Urea Ammonium nitrate Calcium ammonium nitrate (CAN) Ammonium chloride Urea 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. High corrosion rate All of these Increased biuret formation Increased cost of equipment High corrosion rate All of these Increased biuret formation Increased cost of equipment 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 None of these Phosphatic fertiliser Potassic fertiliser Nitrogeneous fertiliser None of these Phosphatic fertiliser ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Yield of elemental phosphorous from rock phosphate is about __________ percent. 15-25 1-2 40-45 60-65 15-25 1-2 40-45 60-65 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Triple superphosphate is made by reacting phosphate rock with __________ acid. Phosphoric Nitric Hydrochloric Sulphuric Phosphoric Nitric Hydrochloric Sulphuric ANSWER DOWNLOAD EXAMIANS APP