Discussion
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- Question
__________ catalyst is used in the production of urea from CO2 and NH3.
Options- A. Vanadium pentoxide
- B. No
- C. Alumina
- D. Nickel
- Correct Answer
- No
- 1. Catalytic ammonia synthesis reaction as in Haber's process is
Options- A. endothermic
- B. exothermic
- C. irreversible
- D. none of these Discuss
- 2. With increases in pressure, the conversion of ammonium carbamate into urea
Options- A. increases
- B. decreases
- C. remains unaltered
- D. can either increase or decrease depends on biuret content Discuss
- 3. Tricresyl phosphate is chemically represented as
Options- A. (CH3 C6 H4)3 PO4
- B. Ca10(PO4)3F6
- C. (NH4)2HPO4
- D. NH4H2PO4 Discuss
- 4. Nitrolime is
Options- A. calcium nitrate.
- B. calcium ammonium nitrate.
- C. a mixture of nitric acid and lime.
- D. a mixture of ammonium nitrate and calcium nitrate. Discuss
- 5. Temperature and pressure in urea autoclave is
Options- A. 120°C and 300 atm.
- B. 190°C and 200 atm.
- C. 400°C and 550 atm.
- D. 200°C and 10 atm. Discuss
- 6. 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
- 7. 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
- 8. Color of nitric acid is light yellow due to the presence of
Options- A. NO
- B. NO2
- C. N2H5
- D. NH3 Discuss
- 9. 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. Discuss
- 10. Steam reforming of naphtha produces ammonia synthesis gas. This is a/an __________ process.
Options- A. autocatalytic
- B. endothermic
- C. exothermic
- D. non-catalytic Discuss
Fertiliser Technology problems
Search Results
Correct Answer: exothermic
Correct Answer: increases
Correct Answer: (CH3 C6 H4)3 PO4
Correct Answer: calcium ammonium nitrate.
Correct Answer: 190°C and 200 atm.
Correct Answer: Calcium cyanamide
Correct Answer: anhydrous ammonia, air and water.
Correct Answer: NO2
Correct Answer: 5, 10, 5% respectively of N2, P2O5 and K2O.
Correct Answer: endothermic
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