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Fertiliser Technology

Fertiliser Technology
__________ is the undesirable by-product produced in the manufacture of urea.

Ammonium carbamate
Ammonium carbonate
Carbon dioxide
Biuret

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Fertiliser Technology
Catalyst used in desulphurisation of naphtha is

Pt-Rh
Co-Mo
Nickel
Silica gel

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Fertiliser Technology
Nitrogen content of calcium ammonium nitrate (CAN) is __________ percent.

10
25
80
50

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Fertiliser Technology
In the manufacture of orthophosphoric acid by strong H₂SO₄ leaching wet process, keeping the reactor temperature above 100°C, results in the formation of undesriable

All of these
Metaphosphoric acid
CaSO₄ .½H₂O and CaSO₄ crystals
Pyrophosphoric acid

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Fertiliser Technology
Bio-fertilisers are cheaper, renewable and pollution free. They improve the __________ of the soil.

Texture
Water holding capacity
All of these
Nutrient supply

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Fertiliser Technology
Nitrolime is chemically known as

None of these
Ammonium nitrate
Calcium nitrate
Calcium ammonium nitrate (CAN)

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