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  • Question
  • Reaction of anhydrous liquid ammonia with orthophosphoric acid produces


  • Options
  • A. ammonium phosphate
  • B. superphosphate
  • C. triple superphosphate
  • D. none of these

  • Correct Answer
  • ammonium phosphate 


  • Fertiliser Technology problems


    Search Results


    • 1. In ammonia synthesis (N2 + 3H2 = 2NH3), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should be carried out at

    • Options
    • A. low pressure.
    • B. high pressure.
    • C. very high temperature.
    • D. atmospheric pressure; as the pressure has no effect on conversion.
    • Discuss
    • 2. Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas?

    • Options
    • A. Water
    • B. Naphtha
    • C. Tar
    • D. Coal/coke oven gas
    • Discuss
    • 3. Potassic fertilisers do not promote the development of

    • Options
    • A. stems & leaves during early stage of plant growth.
    • B. starches of potatoes & grains.
    • C. sugar of fruits & vegetables.
    • D. fibrous materials of plants.
    • Discuss
    • 4. Nitrogen content in ammonium sulphate (a fertiliser) is around __________ percent.

    • Options
    • A. 5
    • B. 20
    • C. 50
    • D. 65
    • Discuss
    • 5. In __________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed.

    • Options
    • A. Fauser-Monte Catini
    • B. Claude
    • C. Udhe
    • D. Kellog
    • Discuss
    • 6. The essential ingradient of all the synthesis gas is

    • Options
    • A. H2
    • B. O2
    • C. CO2
    • D. N2
    • Discuss
    • 7. Promoter used in NH3 synthesis catalyst is

    • Options
    • A. K2O
    • B. SiO3
    • C. V2O5
    • D. U2O3
    • Discuss
    • 8. I argest capacity nitrogenous fertiliser plants (2700 tons of NH3 per day) (2 Nos) in India are located at

    • Options
    • A. Thal-Vaishet (under RCF in Maharashtra) and Hazira (under IFFCO in Gujarat).
    • B. Talchar (Orissa) and Ramagundam (A.P.) both under FCI.
    • C. Korba (M.P.) and Talchar (Orissa) both under FCI.
    • D. Haldia (W.B) and Namrup (Assam) both under HFC.
    • Discuss
    • 9. HPO3 is the chemical formula of __________ phosphoric acid.

    • Options
    • A. pyro
    • B. ortho
    • C. meta
    • D. none of these
    • Discuss
    • 10. Dehydration of ammonium carbamate produces

    • Options
    • A. urea
    • B. biuret
    • C. ammonia water
    • D. none of these
    • Discuss


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