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FERTILISER TECHNOLOGY

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

Sulphur
Calcium
Magnesium
Oxygen

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

Nitrogen
Potassium
Sulphur
Phosphorous

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Fertiliser Technology
Ammonia synthesis gas is produced from fuel oil by

Partial oxidation
Hydrocracking
Steam reforming
Hydrogenation

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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.

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

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Fertiliser Technology
Ammonia synthesis gas is produced from natural gas by

Partial oxidation
Thermal cracking
Steam reforming
Hydrogenation

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