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Fertiliser Technology

Fertiliser Technology
Ammonium sulphate can be produced by reacting gypsum with

Nitric acid
Ammonium carbonate
Ammonia
None of these

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Fertiliser Technology
Calcium ammonium nitrate (CAN) is

A complex fertiliser
Not a fertiliser ; it is an explosive
A straight fertiliser
A mixed fertiliser

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Fertiliser Technology
__________ is required more for leafy crops.

Nitrogen
Potassium
Phosphorous
Carbon

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Fertiliser Technology
Reaction of dilute sulphuric acid with phosphate rock produces

Gypsum
Phosphoric acid
Superphosphate
Triple superphosphate

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Fertiliser Technology
Dehydration of ammonium carbamate produces

Urea
Ammonia water
None of these
Biuret

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Fertiliser Technology
Sodium tri poly phosphate (STPP) is chemically represented as

Na₂PO₄
Na₄P3O₈
Na₅P3O₁₀
Na₃P4O₆

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