Fertiliser Technology Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis? H? separation from coke oven gas Electrolysis of water Steam reforming of naphtha Cracking of natural gas H? separation from coke oven gas Electrolysis of water Steam reforming of naphtha Cracking of natural gas ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Temperature and pressure in urea autoclave is 190°C and 200 atm 120°C and 300 atm 400°C and 550 atm 200°C and 10 atm 190°C and 200 atm 120°C and 300 atm 400°C and 550 atm 200°C and 10 atm ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In __________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed. Fauser-Monte Catini Udhe Kellog Claude Fauser-Monte Catini Udhe Kellog Claude ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In the manufacture of orthophosphoric acid by strong H₂SO₄ leaching wet process, keeping the reactor temperature above 100°C, results in the formation of undesriable Pyrophosphoric acid All of these CaSO₄ .½H₂O and CaSO₄ crystals Metaphosphoric acid Pyrophosphoric acid All of these CaSO₄ .½H₂O and CaSO₄ crystals Metaphosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Electric process as compared to wet process (for the manufacture of phosphoric acid) Produces a valuable by-product called gypsum Is weak acid process Can use only high grade phosphate rock Is used less frequently Produces a valuable by-product called gypsum Is weak acid process Can use only high grade phosphate rock Is used less frequently ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following does not come under the category of 'secondary nutrient' for plant growth? Sulphur Calcium Oxygen Magnesium Sulphur Calcium Oxygen Magnesium ANSWER DOWNLOAD EXAMIANS APP
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