10
46
80
94
✅ The correct answer is option B.
Fertilizer Technology MCQs
Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it
Has a pungent smell
Vaporises at normal temperature
Is toxic and highly corrosive
Is in short supply
✅ The correct answer is option B.
Fauser Monte Catini converter is used for
Ammonia synthesis (e.g. at FCI Sindri)
Methanation of CO and CO₂
Shift conversion (i.e. CO to CO₂)
None of these
✅ The correct answer is option A.
Yield of elemental phosphorous from rock phosphate is about __________ percent.
1-Feb
15-25
40-45
60-65
✅ The correct answer is option B.
Promoter used in NH₃ synthesis catalyst is
K₂O
SiO₃
V₂O₅
U₂O₃
✅ The correct answer is option C.
Triple superphosphate is made by reacting phosphate rock with __________ acid.
Phosphoric
Nitric
Sulphuric
Hydrochloric
✅ The correct answer is option A.
A phosphatic fertiliser contains 16% P₂O₅. It could be
Dicalcium phosphate
Superphosphate
Triple superphosphate
None of these
✅ The correct answer is option B.
Catalytic ammonia synthesis reaction as in Haber’s process is
Endothermic
Exothermic
Irreversible
None of these
✅ The correct answer is option B.
Reaction of nitric acid and sulphuric acid with phosphate rock produces
Nitrophosphate
Diammonium phosphate
Tricresyl phosphate
Tributyl phosphate
✅ The correct answer is option A.
Liquid ammonia and 60% nitric acid reaction (which produces ammonium nitrate) is
Exothermic
Endothermic
Autocatalytic
None of these
✅ The correct answer is option A.