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Fertiliser Technology

Fertiliser Technology
Ammonia synthesis reaction is

Exothermic
Endothermic
Autocatalytic
None of these

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Fertiliser Technology
Reaction of dilute sulphuric acid with phosphate rock produces

Gypsum
Superphosphate
Phosphoric acid
Triple superphosphate

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Fertiliser Technology
Potassic fertilisers do not promote the development of

Fibrous materials of plants
Starches of potatoes & grains
Sugar of fruits & vegetables
Stems & leaves during early stage of plant growth

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

Nitrogen
Sulphur
Phosphorous
Potassium

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Fertiliser Technology
CaH₄(PO₄)₂ is the chemical formula of

Superphosphate
Meta phosphoric acid
Calcium phosphate
Triple superphosphate

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Fertiliser Technology
Effectiveness of a fertiliser is independent of the

None of these
Type of crop
Nature of soil
PH of soil

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