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Fertiliser Technology

Fertiliser Technology
Phosphorus vapour comprises of

P₃
P₄
P
P₂

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

Highly hygroscopic
Complex
Highly explosive
Mixed

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Fertiliser Technology
The concentration (weight %) of nitric acid produced by the oxidation of ammonia and absorption of nitrogen oxides with water is about __________ percent.

100
30
60
95

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Fertiliser Technology
Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium

Bicarbonate
Phosphate
Silicate
Carbonate

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Fertiliser Technology
Which of the following is not a measure component necessarily to be present in fertilisers?

Sulphur
Phosphorous
Potassium
Nitrogen

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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?

None of these
Potassic fertiliser
Phosphatic fertilisers
Nitrogenous fertilisers

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