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Fertiliser Technology

Fertiliser Technology
Color of nitric acid is light yellow due to the presence of

N₂H₅
NH₃
NO₂
NO

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Fertiliser Technology
__________ catalyst is used in the production of urea from CO₂ and NH₃.

No
Vanadium pentoxide
Nickel
Alumina

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Fertiliser Technology
Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an __________ reaction.

Endothermic
Exothermic
Autocatalytic
Catalytic

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Fertiliser Technology
Temperature and pressure in urea autoclave is

200°C and 10 atm
400°C and 550 atm
190°C and 200 atm
120°C and 300 atm

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Fertiliser Technology
NPK means a __________ fertiliser.

Liquid
Potassic
Solid
Mixed

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Fertiliser Technology
Optimum reaction temperature in steam reforming of naphtha is __________ °C.

1500-1700
100-200
700 - 1000
300 - 450

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