Fertiliser Technology Urea is represented as NH.CO₂.NH NH₃CO.CH₃ NH₃.CO₂.NH₃ NH₂.CO.NH₂ NH.CO₂.NH NH₃CO.CH₃ NH₃.CO₂.NH₃ NH₂.CO.NH₂ 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 High corrosion rate Increased biuret formation All of these Increased cost of equipment High corrosion rate Increased biuret formation ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology The concentration (weight %) of nitric acid produced by the oxidation of ammonia and absorption of nitrogen oxides with water is about __________ percent. 30 60 100 95 30 60 100 95 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Steam reforming of naphtha produces ammonia synthesis gas. This is a/an __________ process. Exothermic Non-catalytic Autocatalytic Endothermic Exothermic Non-catalytic Autocatalytic Endothermic 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 Increasing the effectiveness All of these Improving the strength & heat resistance Stabilisation Increasing the effectiveness All of these Improving the strength & heat resistance ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Phosphoric acid is produced in wet process from phosphate rock and Concentrated NHO₃ Dilute H₂SO₄ Concentrated HCl Concentrated H₂SO₄ Concentrated NHO₃ Dilute H₂SO₄ Concentrated HCl Concentrated H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS