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Fertiliser Technology

Fertiliser Technology
Ammonia synthesis reaction is

Endothermic
Autocatalytic
None of these
Exothermic

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Fertiliser Technology
Electric furnace method for production of phosphorous uses phosphate rock

And coke
Silica and coke
And sulphuric acid
And phosphoric acid

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

Biuret
None of these
Ammonium carbonate
Ammonium carbamate

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Fertiliser Technology
pH value of soil is maintained at __________ by the addition of fertiliser for optimum growth and health of the plant.

44178
43926
44020
44084

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Fertiliser Technology
Nitrogen content of a nitrogenous fertiliser is 35%. It could be

Ammonium nitrate
Calcium ammonium nitrate (CAN)
Ammonium sulphate
Urea

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Fertiliser Technology
Commercial fertilisers are available mostly in the form of

Lumps
Powder
Flakes
Grannules

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