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Fertiliser Technology

Fertiliser Technology
Nitrogen content of urea is about __________ percent.

80
94
10
46

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Fertiliser Technology
Steam reforming of naphtha produces ammonia synthesis gas. This is a/an __________ process.

Endothermic
Autocatalytic
Exothermic
Non-catalytic

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Fertiliser Technology
Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH₃

CO₂ & H₂SO₄
HNO₃ & limestone
HNO₃ & NH₄Cl
CO₂ & KNO₃

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Fertiliser Technology
In the manufacture of H₃ PO₄ (ortho), ; strong H₂ SO₄ leaching wet process as compared to electric furnace process

Is very costly
Requires lower capital investment in the plant
Produces lower purity acid
Uses lower grade phosphate rock

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Fertiliser Technology
Low grade coal is __________ to produce ammonia synthesis gas.

Liquefied
Hydrogenated
Dehydrogenated
Gasified

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Fertiliser Technology
(CH₃ C₆ H₄)₃ PO₄ is the chemical formula of

Triple superphosphate
Superphosphate
Flourapatite
Tricresyl phosphate

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