Fertiliser Technology Electric process as compared to wet process (for the manufacture of phosphoric acid) Is weak acid process Produces a valuable by-product called gypsum Is used less frequently Can use only high grade phosphate rock Is weak acid process Produces a valuable by-product called gypsum Is used less frequently Can use only high grade phosphate rock ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Heating of orthophosphoric acid to about 900°C, produces None of these Metaphosphoric acid No change in it Pyrophosphoric acid None of these Metaphosphoric acid No change in it Pyrophosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Multistage operation (as in the case of catalytic oxidation of SO₂) is not carried out for NH₃ synthesis, because of Chances of entrainment and disturbance of catalyst bed Higher pumping cost Comparatively higher pressure drop High cost of the high pressure vessel used for the reactor Chances of entrainment and disturbance of catalyst bed Higher pumping cost Comparatively higher pressure drop High cost of the high pressure vessel used for the reactor ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Promoter used in NH₃ synthesis catalyst is K₂O V₂O₅ SiO₃ U₂O₃ K₂O V₂O₅ SiO₃ U₂O₃ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Catalyst used in desulphurisation of naphtha is Co-Mo Pt-Rh Silica gel Nickel Co-Mo Pt-Rh Silica gel Nickel ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of nitric acid and sulphuric acid with phosphate rock produces Tricresyl phosphate Diammonium phosphate Nitrophosphate Tributyl phosphate Tricresyl phosphate Diammonium phosphate Nitrophosphate Tributyl phosphate ANSWER DOWNLOAD EXAMIANS APP
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