Chemical Engineering :: Fertiliser Technology
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Pick out the wrong statement.
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Which of the following does not come under the category of 'secondary nutrient' for plant growth?
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Steam reforming of naphtha is a source of hydrogen production for nitrogeneous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha ?
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(CH3 C6 H4)3 PO4 is the chemical formula of
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Which is a catalyst promoter used in catalytic ammonia synthesis reaction ?
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The concentration (weight %) of nitric acid produced by the oxidation of ammonia and absorption of nitrogen oxides with water is about __________ percent.
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Calcium ammonium nitrate (CAN) is
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CO2 present in reformed gas (obtained by steam reforming of naphtha) is removed by absorbing in
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Which is the most suitable fertiliser for paddy ?
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A.
Yellow phosphorous which is the most reactive allotropic form of phosphorous is transported under water.
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B.
Apatite is the principal material present in phosphate rock which is chemically Ca10 (PO4)6 (F, Cl, OH).
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C.
Urea is more hygroscopic than ammonium nitrate.
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D.
Nitrogen fixation means the process of bringing atmospheric nitrogen into combination i.e. into nitrogen compound form.
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