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  • Question
  • Which is a catalyst promoter used in catalytic ammonia synthesis reaction?


  • Options
  • A. Al2O3
  • B. Cr2O3
  • C. K2O
  • D. MnO

  • Correct Answer
  • K2


  • Fertiliser Technology problems


    Search Results


    • 1. P2O5 content in triple superphosphate is about __________ percent.

    • Options
    • A. 42-50
    • B. 15-20
    • C. 85-90
    • D. 70-75
    • Discuss
    • 2. Fertiliser plants get their N2 requirements

    • Options
    • A. by fractionation of liquified air.
    • B. by dissociating oxides of nitrogen.
    • C. from coal gas (coke oven gas).
    • D. from producer gas.
    • Discuss
    • 3. Conditioners like finely divided peat are added to the fertiliser to

    • Options
    • A. counteract burning.
    • B. avoid caking & hardening.
    • C. produce bulk.
    • D. increase its solubility.
    • Discuss
    • 4. CO2 present in reformed gas (obtained by steam reforming of naphtha) is removed by absorbing in

    • Options
    • A. mono-ethanolamine (MEA)
    • B. slaked lime
    • C. ammoniacal liquor
    • D. Methyl-Ethyl Ketone (MEK)
    • Discuss
    • 5. Ammonium sulphate fertiliser is

    • Options
    • A. the highest concentration nitrogenous fertiliser.
    • B. the best fertiliser for paddy.
    • C. a basic fertiliser.
    • D. a neutral fertiliser.
    • Discuss
    • 6. (CH3 C6 H4)3 PO4 is the chemical formula of

    • Options
    • A. triple superphosphate
    • B. tricresyl phosphate
    • C. flourapatite
    • D. superphosphate
    • Discuss
    • 7. Catalyst used in Haber's process for ammonia production is

    • Options
    • A. reduced iron oxide
    • B. nickel
    • C. vanadium pentoxide
    • D. silica gel
    • Discuss
    • 8. Ammonium sulphate can be produced by reacting gypsum with

    • Options
    • A. ammonia
    • B. ammonium carbonate
    • C. nitric acid
    • D. none of these
    • Discuss
    • 9. Nitrogenous fertiliser is required

    • Options
    • A. during the early stage of growth to promote development of stem and leaves.
    • B. for accelerating fruit formation in later stage of growth.
    • C. to lessen the effect of excessive potash application.
    • D. none of these.
    • Discuss
    • 10. The concentration (weight %) of nitric acid produced by the oxidation of ammonia and absorption of nitrogen oxides with water is about __________ percent.

    • Options
    • A. 60
    • B. 30
    • C. 95
    • D. 100
    • Discuss


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