Q. Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis ?

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Q. In __________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed.

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Q. The essential ingradient of all the synthesis gas is

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Q. Sodium tri poly phosphate (STPP) is chemically represented as

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Q. A fertiliser contains 82% N₂. It could be

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Q. Reaction of anhydrous liquid ammonia with orthophosphoric acid produces

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Q. Electric furnace method for production of phosphorous uses phosphate rock

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Q. Commercial production of hydrogen for the manufacture of nitrogeneous fertilisers is done by

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Q. Which fertiliser is made (using coke oven gas) in by products plant of an integrated steel plant ?

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Q. Ammonium phosphate is a __________ fertiliser.

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Q. Largest capacity nitrogenous fertiliser plants (2700 tons of NH₃ per day) (2 Nos) in India are located at

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Q. Nitrogen content of urea is about __________ percent.

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Q. Nitrogen content of calcium ammonium nitrate (CAN) is __________ percent.

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Q. Catalyst used in ammonia synthesis uses __________ as a promoter.

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Q. __________ is the most suitable fertiliser for paddy.

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Q. Potassic fertiliser is graded based on its __________ content.

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Q. Monte catini process is used for the manufacture of

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Q. Promoter used in NH₃ synthesis catalyst is

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Q. H₄P₂O₇ is the chemical formula of __________ phosphoric acid.

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Q. Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because

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