Fertiliser Technology Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the Presence of an inert atmosphere Presence of an oxidising atmosphere Absence of air Presence of a reducing atmosphere Presence of an inert atmosphere Presence of an oxidising atmosphere Absence of air Presence of a reducing atmosphere ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology The main constituent of rock phosphate is Fluorspar None of these Mono-calcium phosphate Di-calcium phosphate Fluorspar None of these Mono-calcium phosphate Di-calcium phosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Flushing liquor used for cooling coke oven gas constitutes of Dilute H₂SO₄ Ammoniacal liquor Dilute HCl K₂CO₃ solution Dilute H₂SO₄ Ammoniacal liquor Dilute HCl K₂CO₃ solution ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology A phosphatic fertiliser contains 16% P₂O₅. It could be Dicalcium phosphate Triple superphosphate Superphosphate None of these Dicalcium phosphate Triple superphosphate Superphosphate None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by Adsorption on palladium Absorption (using ethanolamine or pyragalloll solution) Cryogenic operations (low temperature cooling) None of these Adsorption on palladium Absorption (using ethanolamine or pyragalloll solution) Cryogenic operations (low temperature cooling) None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Triple superphosphate is chemically represented as Ca(H₂PO₄)₂ 3Ca₃(PO₄)₂ CaF₂.3Ca₃(PO₄)₂ Ca(PO₃)₂ Ca(H₂PO₄)₂ 3Ca₃(PO₄)₂ CaF₂.3Ca₃(PO₄)₂ Ca(PO₃)₂ ANSWER DOWNLOAD EXAMIANS APP