Fertiliser Technology
Fertiliser plants get their N₂ requirements

By fractionation of liquified air
From coal gas (coke oven gas)
By dissociating oxides of nitrogen
From producer gas

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Fertiliser Technology
Phosphatic fertilisers

Accelerate fruit formation in later stages of growth
Are useful during early stage of the plant growth
None of these
Lessen the effect of excessive nitrogen application

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Fertiliser Technology
Which of the following set of conditions is favourable for the maximum yield of ammonia by Haber's process?

High pressure, low reactants concentration, low temperature
High pressure, high reactants concentration, low temperature
High pressure, low reactants concentration, high temperature
Low pressure, high reactants concentration, low temperature

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