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Fertiliser Technology

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

Carbon
Chlorine
Iron
Boron

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Fertiliser Technology
A mixture of phosphate rock __________ is heated in an electric furnace to produce phosphorous.

Sand & coke
Salt & coke
And coke
And sand

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Fertiliser Technology
Calcium ammonium nitrate (CAN) is

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

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Fertiliser Technology
Rock phosphate used for the production of phosphatic fertiliser is mined at

Talchar (Orissa)
Amjhor (Jharkhand)
Kiriburu (Bihar)
Bailladella (M.P.)

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Fertiliser Technology
Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done.

High corrosion rate
All of these
Increased cost of equipment
Increased biuret formation

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Fertiliser Technology
Which of the following is a natural inorganic fertiliser?

None of these
Oilcake
Chile salt petre
Gobar mannure

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