Fertilizer Technology-Data Intensity 2 Multiple Questions and Answers.




1.Catalytic ammonia synthesis reaction as in Haber’s process is___?
A. Endothermic
B. Exothermic
C. Irreversible
D. None of these

2.Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils ?
A. Urea
B. CAN
C. Ammonium sulphate
D. Calcium cyanamide

3.The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is ____ fertiliser?
A. Nitrogenous
B. Phosphatic
C. Potassic
D. None of these

4.Triple superphosphate is made by reacting phosphate rock with _____ acid?
A. Phosphoric
B. Nitric
C. Sulphuric
D. Hydrochloric

5._ catalyst is used in the production of urea from CO2 and NH3??
A. Vanadium pentoxide
B. No
C. Alumina
D. Nickel

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