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Fertiliser Technology

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

Liquefied
Hydrogenated
Gasified
Dehydrogenated

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Fertiliser Technology
Fauser Monte Catini converter is used for

Shift conversion (i.e. CO to CO₂)
Ammonia synthesis (e.g. at FCI Sindri)
Methanation of CO and CO₂
None of these

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Fertiliser Technology
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

Vaporises at normal temperature
Is in short supply
Is toxic and highly corrosive
Has a pungent smell

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Fertiliser Technology
Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air.

1000-1200
800-900
250-400
50-80

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Fertiliser Technology
Oxidation of ammonia is

Non-catalytic
Autocatalytic
Endothermic
Exothermic

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Fertiliser Technology
Raw materials for urea production are

CO₂ and N₂
HNO₃ and CaCO₃
CO₂, H₂ and N₂
NH₃ and CO

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