11. Superphosphate is manufactured by reacting phosphate rock with
Acetic acid
Sulphuric acid
Aluminium chloride
None of these
✅ The correct answer is option B.
Fertilizer Technology MCQs
12. Two gas based fertiliser plants are located in
Maharashtra and Gujarat
Maharashtra and Orissa
Gujarat and Madhya Pradesh
Jharkhand and Chattisgarh
✅ The correct answer is option A.
13. Main component of bone ash is
Calcium sulphate
Calcium phosphate
Calcium carbonate
Sodium phosphate
✅ The correct answer is option B.
14. Potassic fertiliser is graded based on its __________ content.
KCl
K₂O
KNO₃
K₂SO₄
✅ The correct answer is option B.
15. With increases in pressure, the conversion of ammonium carbamate into urea
Increases
Decreases
Remains unaltered
Can either increase or decrease depends on biuret content
✅ The correct answer is option A.
16. Out of the following, N₂ content is minimum in
Urea
Ammonium nitrate
Ammonium sulphate
Ammonium chloride
✅ The correct answer is option C.
17. Commercial production of hydrogen for the manufacture of nitrogeneous fertilisers is done by
Steam reforming of naphtha and cracking of natural gas
Electrolysis of water
Cryogenic separation of hydrogen from coke oven gas
All of the above
✅ The correct answer is option D.
18. In calcium ammonium nitrate (CAN) fertil-ser
Nitrate nitrogen is quick acting
Ammoniacal nitrogen is quick acting
Nitrate nitrogen is slower acting
None of these
✅ The correct answer is option A.
19. P₂O₅ percentage in the phosphoric acid produced by wet process is about
10
30
50
70
✅ The correct answer is option B.
20. Phosphoric acid is produced in wet process from phosphate rock and
Dilute H₂SO₄
Concentrated H₂SO₄
Concentrated NHO₃
Concentrated HCl
✅ The correct answer is option A.