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Fertiliser Technology

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

Complex
Highly explosive
Mixed
Highly hygroscopic

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Fertiliser Technology
Ammonium phosphate is a __________ fertiliser.

Phosphatic
Nitrogenous
Mixed
Complex

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Fertiliser Technology
Iron is not used alone as a catalyst in ammonia synthesis, because

None of these
Its activity declines rapidly, if heated to above 520°C
It gets oxidised above 500°C
It decomposes ammonia

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Fertiliser Technology
Nitrolime is

A mixture of nitric acid and lime
Calcium ammonium nitrate
Calcium nitrate
A mixture of ammonium nitrate and calcium nitrate

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Fertiliser Technology
Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits?

Potassic fertiliser
Phosphatic fertilisers
Nitrogenous fertilisers
None of these

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Fertiliser Technology
During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH₃ to NO is about __________ percent.

82
98
68
38

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