Fertiliser Technology Electric furnace method for production of phosphorous uses phosphate rock And coke And phosphoric acid Silica and coke And sulphuric acid And coke And phosphoric acid Silica and coke And sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Both white phosphorous as well as red phosphorous Are soluble in CS₂ Burns when heated in air All of these Reacts with hot caustic soda solution to give phosphine Are soluble in CS₂ Burns when heated in air All of these Reacts with hot caustic soda solution to give phosphine ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Optimum reaction temperature in steam reforming of naphtha is __________ °C. 100-200 1500-1700 300 - 450 700 - 1000 100-200 1500-1700 300 - 450 700 - 1000 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Dehydration of ammonium carbamate to yield urea is a/an __________ reaction. Exothermic Autocatalytic Catalytic Endothermic Exothermic Autocatalytic Catalytic Endothermic ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In the manufacture of orthophosphoric acid by strong H₂SO₄ leaching wet process, keeping the reactor temperature above 100°C, results in the formation of undesriable CaSO₄ .½H₂O and CaSO₄ crystals All of these Metaphosphoric acid Pyrophosphoric acid CaSO₄ .½H₂O and CaSO₄ crystals All of these Metaphosphoric acid Pyrophosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology A mixture of phosphate rock __________ is heated in an electric furnace to produce phosphorous. Salt & coke Sand & coke And coke And sand Salt & coke Sand & coke And coke And sand ANSWER DOWNLOAD EXAMIANS APP