21. In an ammonia plant, the purge off is essential to
22. Which of the following is not a measure component necessarily to be present in fertilisers?
23. Color of nitric acid is light yellow due to the presence of
24. Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction.
25. Sodium tri poly phosphate (STPP) is chemically represented as
26. Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done.
27. Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air.
28. __________ is not a fertiliser.
29. Formation of ammonium carbamate by reaction of NH3 with CO2 is a/an __________ reaction.
30. Largest capacity nitrogenous fertiliser plants (2700 tons of NH3 per day) (2 Nos) in India are located at
Read More Section(Fertiliser Technology)
Each Section contains maximum 100 MCQs question on Fertiliser Technology. To get more questions visit other sections.