Chemical Engineering :: Fertiliser Technology
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Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it
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Rock phosphate used for the production of phosphatic fertiliser is mined at
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CaH4(PO4)2 is the chemical formula of
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Nitro-phosphate (manufactured at Trom-bay) is a __________ fertiliser.
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Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the
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Leaching of phosphate rock by strong __________ acid produces phosphoric acid.
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Which of the following fertilisers is needed for promoting the development of leaves and stems during early stages of plant growth ?
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Which of the following set of conditions is favourable for the maximum yield of ammonia by Haber's process ?
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Prilling of urea should be accomplished (in a sprayer) just above the melting point of urea with minimum of retention time, otherwise it will result in
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