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FERTILISER TECHNOLOGY

Fertiliser Technology
Which of the following does not come under the category of 'secondary nutrient' for plant growth?

Magnesium
Sulphur
Oxygen
Calcium

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Fertiliser Technology
Which of the following does not come under the category of'primary nutrient' for plant growth?

Nitrogen
Potassium
Phosphorous
Sulphur

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Fertiliser Technology
Ammonia synthesis gas is produced from fuel oil by

Steam reforming
Hydrogenation
Hydrocracking
Partial oxidation

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Fertiliser Technology
Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ °C.

250-300
500-750
1400-1450
950-1050

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Fertiliser Technology
Ammonia synthesis gas is produced from natural gas by

Hydrogenation
Partial oxidation
Steam reforming
Thermal cracking

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