Prilling of urea should be accomplished (in a sprayer) just above the melting point of urea with minimum of retention time, otherwise it will result in September 7, 2025 by Admin Low bulk density product Biuret formation Non-spherical prills Substantially wet non-flowing and sticky product ✅ The correct answer is option B.
Which fertiliser is made (using coke oven gas) in by products plant of an integrated steel plant? September 7, 2025 by Admin Urea CAN Ammonium sulphate Superphosphate ✅ The correct answer is option C.
The optimum size of the ammonia plant is __________ tons/day. September 7, 2025 by Admin 10 100 1000 1000C ✅ The correct answer is option C.
Nitrogen content of a nitrogenous fertiliser is 35%. It could be September 7, 2025 by Admin Urea Ammonium nitrate Calcium ammonium nitrate (CAN) Ammonium sulphate ✅ The correct answer is option B.
Nitrogenous fertiliser is required September 7, 2025 by Admin During the early stage of growth to promote development of stem and leaves For accelerating fruit formation in later stage of growth To lessen the effect of excessive potash application None of these ✅ The correct answer is option A.
Dehydration of ammonium carbamate produces September 7, 2025 by Admin Urea Biuret Ammonia water None of these ✅ The correct answer is option A.
A nitrogenous fertiliser contains 20% N₂. It could be September 7, 2025 by Admin Ammonium nitrate Calcium ammonium nitrate (CAN) Urea Ammonium chloride ✅ The correct answer is option B.
__________ catalyst is used in the production of urea from CO₂ and NH₃. September 7, 2025 by Admin Vanadium pentoxide No Alumina Nickel ✅ The correct answer is option B.
Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the September 7, 2025 by Admin Presence of an inert atmosphere Presence of a reducing atmosphere Absence of air Presence of an oxidising atmosphere ✅ The correct answer is option C.
Heating of orthophosphoric acid to about 900°C, produces September 7, 2025 by Admin Metaphosphoric acid Pyrophosphoric acid No change in it None of these ✅ The correct answer is option A.