logo

CuriousTab

CuriousTab

Discussion

Home ‣ Chemical Engineering ‣ Fertiliser Technology Comments
  • Question

  • __________ is the most suitable fertiliser for paddy.


  • Options
  • A. Urea
  • B. Ammonium sulphate
  • C. Superphosphate
  • D. Potassium nitrate

  • Correct Answer
  • Ammonium sulphate 

    • Fertiliser Technology problems

    Search Results

    • 1. Nitrogen content of urea is about __________ percent.

    • Options
    • A. 10
    • B. 46
    • C. 80
    • D. 94
      • Discuss
    • 2. Rock phosphate constitutes mainly of

    • Options
    • A. fluorapatite
    • B. di-calcium phosphate
    • C. mono-calcium phosphate
    • D. di-ammonium phosphate
      • Discuss
    • 3. H4P2O7 is the chemical formula of __________ phosphoric acid.

    • Options
    • A. pyro
    • B. ortho
    • C. meta
    • D. none of these
      • Discuss
    • 4. Triple superphosphate is made by reacting phosphate rock with __________ acid.

    • Options
    • A. phosphoric
    • B. nitric
    • C. sulphuric
    • D. hydrochloric
      • Discuss
    • 5. Nitrogen content of calcium ammonium nitrate (CAN) is __________ percent.

    • Options
    • A. 10
    • B. 25
    • C. 50
    • D. 80
      • Discuss
    • 6. Monte catini process is used for the manufacture of

    • Options
    • A. nitric acid
    • B. phosphoric acid
    • C. urea
    • D. calcium ammonium nitrate (CAN)
      • Discuss
    • 7. Coal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talchar (Orissa)

    • Options
    • A. use coal for heating purpose.
    • B. gasify coal to get hydrogen from coal gas.
    • C. use coal as filler in fertiliser.
    • D. use coal as conditioner in fertiliser.
      • Discuss
    • 8. Catalyst used in ammonia synthesis uses __________ as a promoter.

    • Options
    • A. Pt
    • B. K2O
    • C. Al2O3
    • D. Ni
      • Discuss
    • 9. Heating of orthophosphoric acid to about 900°C, produces

    • Options
    • A. metaphosphoric acid
    • B. pyrophosphoric acid
    • C. no change in it
    • D. none of these
      • Discuss
    • 10. Commercial production of hydrogen for the manufacture of nitrogeneous fertilisers is done by

    • Options
    • A. steam reforming of naphtha and cracking of natural gas.
    • B. electrolysis of water.
    • C. cryogenic separation of hydrogen from coke oven gas.
    • D. all (a), (b) and (c)
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.