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Fertiliser Technology

Fertiliser Technology
A phosphatic fertiliser contains 16% P₂O₅. It could be

Triple superphosphate
Superphosphate
Dicalcium phosphate
None of these

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Fertiliser Technology
Which of the following nitrogenous fertilisers has the highest percentage of nitrogen?

Calcium ammonium nitrate (CAN)
Calcium nitrate
Urea
Ammonium sulphate

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Fertiliser Technology
Raw materials for nitric acid manufacture are

Hydrogen peroxide, air and water
Anhydrous ammonia and air
Wet ammonia, air and water
Anhydrous ammonia, air and water

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Fertiliser Technology
In natural gas, the C/H ratio (by weight) varies in the range of

44053
15-17
20-25
43894

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

Autocatalytic
Endothermic
Exothermic
Non-catalytic

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Fertiliser Technology
Which nutrient in fertiliser makes the plant stems stronger and increases branching?

Potassium
Calcium
Phosphorous
Nitrogen

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