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Fertiliser Technology

Fertiliser Technology
Catalytic ammonia synthesis reaction as in Haber's process is

Endothermic
None of these
Exothermic
Irreversible

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Fertiliser Technology
Catalyst used in the oxidation of ammonia is

Cobalt-molybdenum
Platinum-molybdenum
Platinum-rhodium
Platinum-beryllium

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Fertiliser Technology
Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH₃

HNO₃ & limestone
HNO₃ & NH₄Cl
CO₂ & H₂SO₄
CO₂ & KNO₃

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Fertiliser Technology
Ammonia synthesis gas is produced from natural gas by

Thermal cracking
Partial oxidation
Steam reforming
Hydrogenation

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Fertiliser Technology
Potassic fertilisers do not promote the development of

Sugar of fruits & vegetables
Stems & leaves during early stage of plant growth
Starches of potatoes & grains
Fibrous materials of plants

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

Oilcake
None of these
Gobar mannure
Chile salt petre

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