31. Main constituent of phosphate rock is
32. The main constituent of rock phosphate is
33. The essential ingradient of all the synthesis gas is
34. In the manufacture of urea, the intermediate chemical formed is
35. During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH3 to NO is about __________ percent.
36. Ammonium nitrate (a fertiliser) is coated with limestone powder to
37. Ammonium sulphate can be produced by reacting gypsum with
38. P2O5 percentage in the phosphoric acid produced by wet process is about
39. Urea (a nitrogeneous fertiliser) is produced from carbon dioxide and
40. HPO3 is the chemical formula of __________ phosphoric acid.
Read More Section(Fertiliser Technology)
Each Section contains maximum 100 MCQs question on Fertiliser Technology. To get more questions visit other sections.