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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. Ammonium nitrate is

    2. A.
    having about 40% N2.
    B.
    not hygroscopic.
    C.
    not prone to explosive thermal decomposition.
    D.
    mixed with limestone powder to reduce its explosive nature before using it as a fertilizer.

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  2. Urea is a better fertilizer than ammonium sulphate, because

    3. A.
    it is cheaper.
    B.
    nitrogen content is higher.
    C.
    it is not poisonous.
    D.
    it is easy to manufacture.

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  3. Reaction of cresylic acid with __________ produces tricresyl phosphate.

    4. A.
    phosphorous pentoxide
    B.
    phosphorous oxychloride
    C.
    ammonium phosphate
    D.
    calcium phosphate

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  4. In the manufacture of urea, the intermediate chemical formed is

    5. A.
    biuret
    B.
    ammonium carbamate
    C.
    ammonium carbonate
    D.
    none of these

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  5. Nitrolime is chemically known as

    6. A.
    calcium nitrate
    B.
    ammonium nitrate
    C.
    calcium ammonium nitrate (CAN)
    D.
    none of these

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  6. Potassic fertilisers

    7. A.
    are useful during early stage of the plant growth.
    B.
    stimulate early growth and accelerate seeding.
    C.
    help in development of starches of potatoes and grain.
    D.
    none of these.

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  7. The main constituent of rock phosphate is

    8. A.
    mono-calcium phosphate
    B.
    di-calcium phosphate
    C.
    fluorspar
    D.
    none of these

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  8. Out of the following, N2 content is minimum in

    9. A.
    urea
    B.
    ammonium nitrate
    C.
    ammonium sulphate
    D.
    ammonium chloride

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  9. Which of the following nitrogenous fertilisers has the highest percentage of nitrogen ?

    10. A.
    Calcium nitrate
    B.
    Calcium ammonium nitrate (CAN)
    C.
    Urea
    D.
    Ammonium sulphate

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  10. Nitrolime is

    11. A.
    calcium nitrate.
    B.
    calcium ammonium nitrate.
    C.
    a mixture of nitric acid and lime.
    D.
    a mixture of ammonium nitrate and calcium nitrate.

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