Mixed
Potassic
Liquid
Solid
✅ The correct answer is option A.
Engineering
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3602. Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas?
Water
Naphtha
Tar
Coal/coke oven gas
✅ The correct answer is option C.
3603. The main constituent of rock phosphate is
Mono-calcium phosphate
Di-calcium phosphate
Fluorspar
None of these
✅ The correct answer is option B.
3604. Phosphatic fertiliser is graded based on its __________ content.
P₂O₃
PCl5
P₂O₅
H₃PO₄
✅ The correct answer is option C.
3605. Which of the following nitrogenous fertilisers has the highest percentage of nitrogen?
Calcium nitrate
Calcium ammonium nitrate (CAN)
Urea
Ammonium sulphate
✅ The correct answer is option C.
3606. 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.
3607. Urea (a nitrogeneous fertiliser) is produced from carbon dioxide and
Nitric acid
Ammonia
Ammonium nitrate
Nitric oxide
✅ The correct answer is option B.
3608. A fertiliser contains 82% N₂. It could be
Urea
Liquid NH₃
Ammonium nitrate
None of these
✅ The correct answer is option B.
3609. Prilling tower is found in the flowsheet for the manufacture of
Ammonia
Urea
Superphosphate
Triple superphosphate
✅ The correct answer is option B.
3610. Which of the following solvents is used for the extraction of H₃PO₄ from CaCl₂ solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching?
Iso propyl alcohol
Butyl alcohol
Toluene
Hexane
✅ The correct answer is option B.