logo

CuriousTab

CuriousTab

Discussion


Home Chemical Engineering Fertiliser Technology Comments

  • Question
  • 5-10-5 fertilisers mean that they contain


  • Options
  • A. 5, 10, 5% respectively of N2, P2O5 and K2O.
  • B. only 5 to 10% active fertiliser constituents.
  • C. 5 to 10% filler & carrier of soil conditioners.
  • D. none of these.

  • Correct Answer
  • 5, 10, 5% respectively of N2, P2O5 and K2O. 


  • Fertiliser Technology problems


    Search Results


    • 1. Color of nitric acid is light yellow due to the presence of

    • Options
    • A. NO
    • B. NO2
    • C. N2H5
    • D. NH3
    • Discuss
    • 2. Raw materials for nitric acid manufacture are

    • Options
    • A. hydrogen peroxide, air and water.
    • B. anhydrous ammonia and air.
    • C. anhydrous ammonia, air and water.
    • D. wet ammonia, air and water.
    • Discuss
    • 3. Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils?

    • Options
    • A. Urea
    • B. CAN
    • C. Ammonium sulphate
    • D. Calcium cyanamide
    • Discuss
    • 4. __________ catalyst is used in the production of urea from CO2 and NH3.

    • Options
    • A. Vanadium pentoxide
    • B. No
    • C. Alumina
    • D. Nickel
    • Discuss
    • 5. Catalytic ammonia synthesis reaction as in Haber's process is

    • Options
    • A. endothermic
    • B. exothermic
    • C. irreversible
    • D. none of these
    • Discuss
    • 6. Steam reforming of naphtha produces ammonia synthesis gas. This is a/an __________ process.

    • Options
    • A. autocatalytic
    • B. endothermic
    • C. exothermic
    • D. non-catalytic
    • Discuss
    • 7. Which of the following expressions defines the Baume gravity scale for liquids heavier than water?

    • Options
    • A. (141.5/G) - 131.5
    • B. 145 - (145/G)
    • C. 200(G-1)
    • D. (400/G) - 400
    • Discuss
    • 8. Number of gram equivalent of solute dissolved in one litre of solution is called its

    • Options
    • A. normally
    • B. molarity
    • C. molality
    • D. formality
    • Discuss
    • 9. 1 torr is equivalent to

    • Options
    • A. 1 mm Hg
    • B. 1 Pascal
    • C. 1 ata
    • D. 1 mm wc
    • Discuss
    • 10. Pick out the wrong statement.

    • Options
    • A. The evaporation of aqueous solution of glucose causes its molarity to increase.
    • B. Both the freezing point as well as boiling point of sea water is more than that of distilled water.
    • C. The solution containing equal masses of two liquids 'X' and 'Y' has the same mole fraction of' 'X' and 'Y'.
    • D. both (b) and (c)
    • Discuss


    Comments

    There are no comments.

Enter a new Comment