πŸ“Š Fertiliser Technology
Q. Ammonium nitrate is
  • (A) Having about 40% N4
  • (B) Not hygroscopic
  • (C) Not prone to explosive thermal decomposition
  • (D) Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer
πŸ’¬ Discuss
βœ… Correct Answer: (D) Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer
πŸ“Š Fertiliser Technology
Q. Ammonium nitrate (a fertiliser) is coated with limestone powder to
  • (A) Increase its nitrogen content
  • (B) Cut down its production cost
  • (C) Avoid the risk of explosion
  • (D) Add extra nutrient as fertiliser
πŸ’¬ Discuss
βœ… Correct Answer: (C) Avoid the risk of explosion
πŸ“Š Fertiliser Technology
Q. Ammonia synthesis gas is produced from natural gas by
  • (A) Thermal cracking
  • (B) Steam reforming
  • (C) Partial oxidation
  • (D) Hydrogenation
πŸ’¬ Discuss
βœ… Correct Answer: (B) Steam reforming
πŸ“Š Fertiliser Technology
Q. Ammonia synthesis gas is produced from fuel oil by
  • (A) Steam reforming
  • (B) Hydro-cracking
  • (C) Partial oxidation
  • (D) Hydrogenation
πŸ’¬ Discuss
βœ… Correct Answer: (C) Partial oxidation
πŸ“Š Fertiliser Technology
Q. Action of phosphoric acid on rock phosphate produces
  • (A) Superphosphate
  • (B) Triple superphosphate
  • (C) Nitrophosphate
  • (D) Diammonium phosphate
πŸ’¬ Discuss
βœ… Correct Answer: (B) Triple superphosphate
πŸ“Š Fertiliser Technology
Q. A Potassic fertiliser contains 50% K2O. It could be
  • (A) Potassium sulphate
  • (B) Potassium chloride
  • (C) A mixture of NaCl + KCl
  • (D) None of these
πŸ’¬ Discuss
βœ… Correct Answer: (A) Potassium sulphate
πŸ“Š Fertiliser Technology
Q. A phosphatic fertiliser contains 16% P2O5. It could be
  • (A) Dicalcium phosphate
  • (B) Superphosphate
  • (C) Triple superphosphate
  • (D) None of these
πŸ’¬ Discuss
βœ… Correct Answer: (B) Superphosphate
πŸ“Š Fertiliser Technology
Q. A nitrogenous fertiliser contains 20% N4. It could be
  • (A) Ammonium nitrate
  • (B) Calcium ammonium nitrate (CAN)
  • (C) Urea
  • (D) Ammonium chloride
πŸ’¬ Discuss
βœ… Correct Answer: (B) Calcium ammonium nitrate (CAN)

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