Chemical Engineering :: Fertiliser Technology
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Main constituent of phosphate rock is
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Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition ?
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Formation of ammonium carbamate by reaction of NH3 with CO2 is a/an __________ reaction.
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Heating a mixture of phosphate rock, coke and sand in an electric furnace produces
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A potassic fertiliser contains 50% K2O. It could be
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C/H ratio (by weight) of naphtha used in nitrogenous fertiliser making is about
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Raw materials for urea production are
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Which of the following is not a mixed fertiliser ?
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Chemical formula of metaphosphoric acid is
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Low grade coal is __________ to produce ammonia synthesis gas.
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