Discussion
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- Question
Nitrogen content of calcium ammonium nitrate (CAN) is __________ percent.
Options- A. 10
- B. 25
- C. 50
- D. 80
- Correct Answer
- 25
- 1. Chemical formula of biuret is
Options- A. NH2.CO.NH2
- B. NH3.COO.NH3
- C. NH2CONHCONH2
- D. NH4COONH2 Discuss
- 2. The optimum size of the ammonia plant is __________ tons/day.
Options- A. 10
- B. 100
- C. 1000
- D. 1000C. Discuss
- 3. Multistage operation (as in the case of catalytic oxidation of SO2) is not carried out for NH3 synthesis, because of
Options- A. comparatively higher pressure drop.
- B. high cost of the high pressure vessel used for the reactor.
- C. higher pumping cost.
- D. chances of entrainment and disturbance of catalyst bed. Discuss
- 4. Both white phosphorous as well as red phosphorous
Options- 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). Discuss
- 5. Main component of bone ash is
Options- A. calcium sulphate
- B. calcium phosphate
- C. calcium carbonate
- D. sodium phosphate Discuss
- 6. Triple superphosphate is made by reacting phosphate rock with __________ acid.
Options- A. phosphoric
- B. nitric
- C. sulphuric
- D. hydrochloric Discuss
- 7. H4P2O7 is the chemical formula of __________ phosphoric acid.
Options- A. pyro
- B. ortho
- C. meta
- D. none of these Discuss
- 8. Rock phosphate constitutes mainly of
Options- A. fluorapatite
- B. di-calcium phosphate
- C. mono-calcium phosphate
- D. di-ammonium phosphate Discuss
- 9. Nitrogen content of urea is about __________ percent.
Options- A. 10
- B. 46
- C. 80
- D. 94 Discuss
- 10. __________ is the most suitable fertiliser for paddy.
Options- A. Urea
- B. Ammonium sulphate
- C. Superphosphate
- D. Potassium nitrate Discuss
Fertiliser Technology problems
Search Results
Correct Answer: NH2CONHCONH2
Correct Answer: 1000
Correct Answer: high cost of the high pressure vessel used for the reactor.
Correct Answer: burns when heated in air.
Correct Answer: calcium phosphate
Correct Answer: phosphoric
Correct Answer: pyro
Correct Answer: fluorapatite
Correct Answer: 46
Correct Answer: Ammonium sulphate
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