Nitrogenous
Phosphatic
Potassic
None of these
✅ The correct answer is option B.
Engineering
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3542. Biuret formation in urea is kept at minimum (< 1 %), because it is
Corrosive in nature
Toxic and harmful to some crops
Helpful in decomposition of urea
Explosive in nature
✅ The correct answer is option B.
3543. Superphosphate is manufactured by reacting phosphate rock with
Acetic acid
Sulphuric acid
Aluminium chloride
None of these
✅ The correct answer is option B.
3544. HPO₃ is the chemical formula of __________ phosphoric acid.
Pyro
Ortho
Meta
None of these
✅ The correct answer is option C.
3545. The calorific value of natural gas is about __________ kcal/Nm³.
10, 000
2500
25, 000
35, 000
✅ The correct answer is option A.
3546. Ammonia synthesis gas is produced from fuel oil by
Steam reforming
Hydrocracking
Partial oxidation
Hydrogenation
✅ The correct answer is option C.
3547. Main component of bone ash is
Calcium sulphate
Calcium phosphate
Calcium carbonate
Sodium phosphate
✅ The correct answer is option B.
3548. Urea is represented as
NH₂.CO.NH₂
NH₃CO.CH₃
NH.CO₂.NH
NH₃.CO₂.NH₃
✅ The correct answer is option A.
3549. 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.
3550. Vapor phase reaction of ammonia & nitric acid to produce ammonium nitrate is termed as the __________ process.
Haber’s
Stengel
Le-chatlier’s
Du-pont’s
✅ The correct answer is option B.