Fertiliser Technology Promoter used in NH₃ synthesis catalyst is V₂O₅ K₂O SiO₃ U₂O₃ V₂O₅ K₂O SiO₃ U₂O₃ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Heating of orthophosphoric acid to 250°C produces None of these No change in it Metaphosphoric acid Pyrophosphoric acid None of these No change in it Metaphosphoric acid Pyrophosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Electric process as compared to wet process (for the manufacture of phosphoric acid) Is used less frequently Produces a valuable by-product called gypsum Can use only high grade phosphate rock Is weak acid process Is used less frequently Produces a valuable by-product called gypsum Can use only high grade phosphate rock Is weak acid process 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 Comparatively higher pressure drop High cost of the high pressure vessel used for the reactor Higher pumping cost Chances of entrainment and disturbance of catalyst bed Comparatively higher pressure drop High cost of the high pressure vessel used for the reactor Higher pumping cost Chances of entrainment and disturbance of catalyst bed ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of phosphate rock with 98% H₂SO₄ produces None of these Orthophosphoric acid Superphosphate White phosphorous None of these Orthophosphoric acid Superphosphate White phosphorous ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Conditioners like finely divided peat are added to the fertiliser to Increase its solubility Counteract burning Avoid caking & hardening Produce bulk Increase its solubility Counteract burning Avoid caking & hardening Produce bulk ANSWER DOWNLOAD EXAMIANS APP
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