51. In natural gas, the C/H ratio (by weight) varies in the range of
3-Apr
8-Oct
15-17
20-25
✅ The correct answer is option A.
Fertilizer Technology MCQs
52. Urea (a nitrogeneous fertiliser) is produced from carbon dioxide and
Nitric acid
Ammonia
Ammonium nitrate
Nitric oxide
✅ The correct answer is option B.
53. Monte catini process is used for the manufacture of
Nitric acid
Phosphoric acid
Urea
Calcium ammonium nitrate (CAN)
✅ The correct answer is option C.
54. Hydrogen content of coke oven gas is __________ percent.
4
22
58
84
✅ The correct answer is option C.
55. Heating of coke, sand & phosphate rock in an electric furnace is done for the manufacture of
Phosphoric acid
Superphosphate
Phosphorous
Triple superphosphate
✅ The correct answer is option C.
56. Vetrocoke solution is
A mixture of K₂CO₃ and As₂O₃
K₂SO₄
A mixture of Na₂CO₃ and As₂O₃
Na₂SO₄
✅ The correct answer is option A.
57. Maximum stability of white phosphorous is at
Very high pressure
Atmospheric pressure
Room temperature
>600°C
✅ The correct answer is option D.
58. Ammonia synthesis gas is produced from natural gas by
Thermal cracking
Steam reforming
Partial oxidation
Hydrogenation
✅ The correct answer is option B.
59. Catalyst used in the manufacture of NH₃ by Haber’s process is finely divided
Nickel
Iron
Vanadium pentoxide
Alumina
✅ The correct answer is option B.
60. Fertilizer plant getting its hydrogen requirement partly from coke oven gas is situated at
Rourkela (under SAIL)
Barauni (under HFC)
Nangal (under NFL)
Talchar (under FCI)
✅ The correct answer is option A.