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Fertiliser Technology

Fertiliser Technology
Nitro-phosphate (manufactured at Trom-bay) is a __________ fertiliser.

Highly hygroscopic
Highly explosive
Complex
Mixed

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Fertiliser Technology
Oxidation of ammonia is

Endothermic
Non-catalytic
Exothermic
Autocatalytic

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Fertiliser Technology
Red phosphorous is changed into white phosphorous by

None of these
Melting under pressure
Heating in presence of light
Vaporisation followed by condensation

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

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

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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.

44084
44020
43926
44178

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Fertiliser Technology
Conversion achieved in HNO₃ synthesis with the use of platinum catalyst is about 95-97%. The rate of formation of nitrogen dioxide from the oxidation of nitric acid is favoured by

None of these
Increasing the temperature
Decreasing the pressure
Decreasing the temperature

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