Discussion
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- Question
Catalyst used in steam reforming of naphtha is
Options- A. bauxite
- B. cobalt
- C. nickel oxide on alumina support
- D. chromium
- Correct Answer
- nickel oxide on alumina support
- 1. Raw materials for urea production are
Options- A. CO2 and N2
- B. CO2, H2 and N2
- C. NH3 and CO
- D. HNO3 and CaCO3 Discuss
- 2. A potassic fertiliser contains 50% K2O. It could be
Options- A. potassium sulphate.
- B. potassium chloride.
- C. a mixture of NaCl+ KCl.
- D. none of these. Discuss
- 3. Pick out the wrong statement.
Options- A. Loamy soil is the best soil for vigorous plant growth, while the clayey soil is solid and hence the plant roots penetrate with difficulty.
- B. Large excess use of nitrogenous fertiliser in land causes the problem of diarrhoea and cyanosis.
- C. Application of large excess of potassic fertiliser in soil increases the valuable carotene in fruits and vegetables.
- D. Cereal crops grown on alkaline soil absorb higher amount of flourides thereby spreading flourosis. Discuss
- 4. Biuret formation in urea is kept at minimum (< 1 %), because it is
Options- A. corrosive in nature.
- B. toxic and harmful to some crops.
- C. helpful in decomposition of urea.
- D. explosive in nature. Discuss
- 5. In the manufacture of H3 PO4 (ortho), ; strong H2 SO4 leaching wet process as compared to electric furnace process
Options- A. uses lower grade phosphate rock.
- B. requires lower capital investment in the plant.
- C. produces lower purity acid.
- D. is very costly. Discuss
- 6. Which of the following fertilisers is used as a cattle feed?
Options- A. Urea
- B. Calcium ammonium nitrate
- C. Superphosphate
- D. Ammonium sulphate Discuss
- 7. Nitro-phosphate (manufactured at Trom-bay) is a __________ fertiliser.
Options- A. mixed
- B. complex
- C. highly hygroscopic
- D. highly explosive Discuss
- 8. Which of the following does not come under the category of'primary nutrient' for plant growth?
Options- A. Potassium
- B. Nitrogen
- C. Phosphorous
- D. Sulphur Discuss
- 9. Gas based fertiliser plants use
Options- A. natural gas as a source of hydrogen.
- B. natural gas as heating medium.
- C. coal gas as a source of hydrogen.
- D. coal gas as heating medium. Discuss
- 10. Which nutrient in fertiliser makes the plant stems stronger and increases branching?
Options- A. Nitrogen
- B. Phosphorous
- C. Potassium
- D. Calcium Discuss
Fertiliser Technology problems
Search Results
Correct Answer: CO2, H2 and N2
Correct Answer: potassium sulphate.
Correct Answer: Application of large excess of potassic fertiliser in soil increases the valuable carotene in fruits and vegetables.
Correct Answer: toxic and harmful to some crops.
Correct Answer: produces lower purity acid.
Correct Answer: Urea
Correct Answer: complex
Correct Answer: Sulphur
Correct Answer: natural gas as a source of hydrogen.
Correct Answer: Phosphorous
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