41. Dehydration of ammonium carbamate produces
42. Which fertiliser is made (using coke oven gas) in by products plant of an integrated steel plant?
43. Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium
44. Pick out the wrong statement.
45. Nitrogenous fertiliser is required
46. The fertiliser plant getting hydrogen by electrolysis of water is situated at
47. In calcium ammonium nitrate (CAN) fertil-ser
48. Raw materials for nitric acid manufacture are
49. H3PO4 is the chemical formula of __________ phosphoric acid.
50. A fertiliser plant is classified as a gas based fertiliser plant, when it uses __________ gas as a source of hydrogen for the manufacture of ammonia.
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