Fertiliser Technology In an ammonia plant, the purge off is essential to Maintain H₂ : N₂ ratio at 3 :1 Remove uncondensed ammonia vapour Remove excess poisonous gases Maintain inert gas concentration within a limit Maintain H₂ : N₂ ratio at 3 :1 Remove uncondensed ammonia vapour Remove excess poisonous gases Maintain inert gas concentration within a limit ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Vapor phase reaction of ammonia & nitric acid to produce ammonium nitrate is termed as the __________ process. Le-chatlier's Stengel Du-pont's Haber's Le-chatlier's Stengel Du-pont's Haber's ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Maximum stability of white phosphorous is at Atmospheric pressure >600°C Very high pressure Room temperature Atmospheric pressure >600°C Very high pressure Room temperature ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the Presence of an oxidising atmosphere Presence of an inert atmosphere Absence of air Presence of a reducing atmosphere Presence of an oxidising atmosphere Presence of an inert atmosphere Absence of air Presence of a reducing atmosphere ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology CaH₄(PO₄)₂ is the chemical formula of Meta phosphoric acid Triple superphosphate Superphosphate Calcium phosphate Meta phosphoric acid Triple superphosphate Superphosphate Calcium phosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Electric process as compared to wet process (for the manufacture of phosphoric acid) Is weak acid process Can use only high grade phosphate rock Is used less frequently Produces a valuable by-product called gypsum Is weak acid process Can use only high grade phosphate rock Is used less frequently Produces a valuable by-product called gypsum ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS