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Fertiliser Technology

Fertiliser Technology
In the manufacture of urea, the intermediate chemical formed is

Biuret
None of these
Ammonium carbamate
Ammonium carbonate

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Fertiliser Technology
Urea is represented as

NH₂.CO.NH₂
NH₃CO.CH₃
NH₃.CO₂.NH₃
NH.CO₂.NH

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Fertiliser Technology
Main constituent of phosphate rock is

Calcium phosphate
Flour apatite
Calcium fluoride
Ammonium phosphate

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Fertiliser Technology
Out of the following, N₂ content is minimum in

Urea
Ammonium sulphate
Ammonium nitrate
Ammonium chloride

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Fertiliser Technology
Heating of coke, sand & phosphate rock in an electric furnace is done for the manufacture of

Phosphoric acid
Triple superphosphate
Superphosphate
Phosphorous

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Fertiliser Technology
Calcium ammonium nitrate (CAN) is

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

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