EXAMIANS
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.
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Biuret formation in urea is kept at minimum (< 1 %), because it is
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Base suspension fertiliser essentially contains
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Conditioners like finely divided peat are added to the fertiliser to
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The optimum size of the ammonia plant is __________ tons/day.
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C/H ratio (by weight) of naphtha used in nitrogenous fertiliser making is about
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NPK fertiliser is a __________ fertiliser.
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Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N₂ & H₂ is high. The presence of promoter along with the catalyst helps in __________ of the catalyst.
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Which of the following gasifiers can be attached to coal based fertiliser plants?
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Nitrogenous fertiliser is required
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