Chemical Fertilizer Technology Questions - Set 11 - ObjectiveBooks

Chemical Fertilizer Technology Questions - Set 11

Practice Test: Question Set - 11

1. Urea is represented as
    (A) NH2.CO.NH2
    (B) NH3CO.CH3
    (C) NH.CO2.NH
    (D) NH3.CO2.NH3

2. Flushing liquor used for cooling coke oven gas constitutes of
    (A) Ammoniacal liquor
    (B) K2CO3 solution
    (C) Dilute H2SO4
    (D) Dilute HCl

3. ________ is not a fertilizer.
    (A) Calcium ammonium nitrate
    (B) Ferrous sulphate
    (C) Liquid ammonia
    (D) Ammonium sulphate

4. Which of the following is not a mixed fertilizer?
    (A) Nitrophosphate
    (B) Calcium ammonium nitrate (CAN)
    (C) Ammonium phosphate
    (D) None of these

5. P2O5 content in triple superphosphate is about _________ percent.
    (A) 42-50
    (B) 15-20
    (C) 85-90
    (D) 70-75

6. Leaching of phosphate rock by strong __________ acid produces phosphoric acid.
    (A) Sulphuric
    (B) Hydrochloric
    (C) Either (a) or (b)
    (D) Neither (a) nor (b)

7. Yield of elemental phosphorous from rock phosphate is about __________ percent.
    (A) 1-2
    (B) 15-25
    (C) 40-45
    (D) 60-65

8. Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH3
    (A) HNO3 & limestone
    (B) CO2 & H2SO4
    (C) HNO3 & NH4Cl
    (D) CO2 & KNO3

9. Two gas based fertilizer plants are located in India are:
    (A) Maharashtra and Gujarat
    (B) Maharashtra and Orissa
    (C) Gujarat and Madhya Pradesh
    (D) Jharkhand and Chhattisgarh

10. A nitrogenous fertilizer contains 20% N2. It could be
    (A) Ammonium nitrate
    (B) Calcium ammonium nitrate (CAN)
    (C) Urea
    (D) Ammonium chloride

11. Urea (a nitrogenous fertilizer) is produced from carbon dioxide and
    (A) Nitric acid
    (B) Ammonia
    (C) Ammonium nitrate
    (D) Nitric oxide

12. Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition?
    (A) Electrolysis of water
    (B) Cryogenic removal of H2 from coke oven gas
    (C) Steam reforming of naphtha
    (D) Natural gas cracking

13. Ammonium sulphate fertilizer is
    (A) The highest concentration nitrogenous fertilizer
    (B) The best fertilizer for paddy
    (C) A basic fertilizer
    (D) A neutral fertilizer

14. Chemical formula of meta-phosphoric acid is
    (A) H3PO4
    (B) H4P2O7
    (C) HPO3
    (D) Same as that of Pyrophosphoric acid

15. Which of the following fertilizers is needed for promoting the development of leaves and stems during early stages of plant growth?
    (A) Nitrogenous fertilizer
    (B) Potassic fertilizer
    (C) Phosphatic fertilizer
    (D) None of these

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