EXAMIANS
Though kinetics of ammonia synthesis dictates the use of low temperature for high equilibrium conversion, yet it is kept moderately high (550°C), because at low temperature
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Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by
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Reaction of dilute sulphuric acid with phosphate rock produces
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Which of the following fertilisers contains the least percentage of nitrogen?
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The optimum size of the ammonia plant is __________ tons/day.
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Sodium tri poly phosphate (STPP) is chemically represented as
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Triple superphosphate which contains about 46% P₂O₅ is produced by the reaction of phosphate rock with ortho phosphoric acid of____percent concentration.
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Which of the following solvents is used for the extraction of H₃PO₄ from CaCl₂ solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching?
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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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Main constituent of phosphate rock is
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