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.
Fertilizer Technology MCQs
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.
P₂O₅ percentage in the phosphoric acid produced by wet process is about
10
30
50
70
✅ The correct answer is option B.
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.
Red phosphorous is changed into white phosphorous by
Heating in presence of light
Melting under pressure
Vaporisation followed by condensation
None of these
✅ The correct answer is option C.
Reaction of __________ acid with phosphate rock produces superphosphates.
Hydrochloric
Sulphuric
Nitric
Phosphoric
✅ The correct answer is option B.
HPO₃ is the chemical formula of __________ phosphoric acid.
Pyro
Ortho
Meta
None of these
✅ The correct answer is option C.
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.
Urea is represented as
NH₂.CO.NH₂
NH₃CO.CH₃
NH.CO₂.NH
NH₃.CO₂.NH₃
✅ The correct answer is option A.
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.