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Fertiliser Technology

Fertiliser Technology
Superphosphate is manufactured by reacting phosphate rock with

None of these
Sulphuric acid
Acetic acid
Aluminium chloride

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Fertiliser Technology
Reaction of __________ acid with phosphate rock produces superphosphates.

Phosphoric
Nitric
Hydrochloric
Sulphuric

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Fertiliser Technology
Ammonium nitrate (a fertiliser) is coated with limestone powder to

Increase its nitrogen content
Cut down its production cost
Add extra nutrient as fertiliser
Avoid the risk of explosion

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Fertiliser Technology
Urea is represented as

NH₃.CO₂.NH₃
NH₃CO.CH₃
NH.CO₂.NH
NH₂.CO.NH₂

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

Endothermic
Autocatalytic
Non-catalytic
Exothermic

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Fertiliser Technology
Commercial fertilisers are available mostly in the form of

Powder
Lumps
Grannules
Flakes

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