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Fertiliser Technology

Fertiliser Technology
Nitrogen content of urea is about __________ percent.

80
94
46
10

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Fertiliser Technology
Which of the following does not come under the category of 'micro-nutrient' for plant growth?

Carbon
Iron
Chlorine
Boron

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

Complex
Highly explosive
Mixed
Highly hygroscopic

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Fertiliser Technology
Phosphorus vapour comprises of

P
P₂
P₃
P₄

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Fertiliser Technology
In __________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed.

Udhe
Claude
Fauser-Monte Catini
Kellog

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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 decomposes ammonia
It gets oxidised above 500°C

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