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Fertiliser Technology

Fertiliser Technology
Ammonia synthesis reaction is

Autocatalytic
Endothermic
None of these
Exothermic

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Fertiliser Technology
Nitro-phosphate (manufactured at Trom-bay) is a __________ fertiliser.

Highly explosive
Mixed
Complex
Highly hygroscopic

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Fertiliser Technology
Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because

Its nitrogen content is very less
It is highly acidic in nature
It is a liquid at room temperature
It is hygroscopic and explosive in nature

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Fertiliser Technology
P₂O₅ content in superphosphate is about __________ percent.

65-70
85-90
15-20
30-35

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Fertiliser Technology
Which of the following is not a measure component necessarily to be present in fertilisers?

Potassium
Nitrogen
Phosphorous
Sulphur

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Fertiliser Technology
Base suspension fertiliser essentially contains

43% N₂ and 13% P₂O₅
13% N₂ and 43% P₂O₅
43% N₂ and 13% K₂O
43% K₂O and 43% P₂O₅

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