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Chemical Engineering :: Fertiliser Technology

Fertiliser Technology - Section 1
Fertiliser Technology - Section 2
Fertiliser Technology - Section 3
Fertiliser Technology - Section 4
Fertiliser Technology - Section 5
Fertiliser Technology - Section-6

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

    2. A.
    H2 separation from coke oven gas
    B.
    Steam reforming of naphtha
    C.
    Cracking of natural gas
    D.
    Electrolysis of water

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

    3. A.
    Fauser-Monte Catini
    B.
    Claude
    C.
    Udhe
    D.
    Kellog

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  3. The essential ingradient of all the synthesis gas is

    4. A.
    H2
    B.
    O2
    C.
    CO2
    D.
    N2

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

    5. A.
    Na5P3O10
    B.
    Na4P3O8
    C.
    Na3P4O6
    D.
    Na2PO4

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

    6. A.
    urea
    B.
    liquid NH3
    C.
    ammonium nitrate
    D.
    none of these

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  6. Heating of orthophosphoric acid to about 900°C, produces

    7. A.
    metaphosphoric acid
    B.
    pyrophosphoric acid
    C.
    no change in it
    D.
    none of these

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  7. Reaction of phosphate rock with 98% H2SO4 produces

    8. A.
    orthophosphoric acid
    B.
    superphosphate
    C.
    white phosphorous
    D.
    none of these

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  8. HPO3 is the chemical formula of __________ phosphoric acid.

    9. A.
    pyro
    B.
    ortho
    C.
    meta
    D.
    none of these

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  9. Both white phosphorous as well as red phosphorous

    10. A.
    are soluble in CS2.
    B.
    burns when heated in air.
    C.
    reacts with hot caustic soda solution to give phosphine.
    D.
    all (a), (b), and (c).

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  10. Catalyst used in steam reforming of naphtha is

    11. A.
    nickel
    B.
    platinum
    C.
    silica gel
    D.
    rhodium

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