Fertiliser Technology Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ °C. 500-750 950-1050 250-300 1400-1450 500-750 950-1050 250-300 1400-1450 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Optimum reaction temperature in steam reforming of naphtha is __________ °C. 1500-1700 100-200 700 - 1000 300 - 450 1500-1700 100-200 700 - 1000 300 - 450 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Electric process as compared to wet process (for the manufacture of phosphoric acid) Is weak acid process Is used less frequently Can use only high grade phosphate rock Produces a valuable by-product called gypsum Is weak acid process Is used less frequently Can use only high grade phosphate rock Produces a valuable by-product called gypsum ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Calcium ammonium nitrate (CAN) is A straight fertiliser A complex fertiliser Not a fertiliser ; it is an explosive A mixed fertiliser A straight fertiliser A complex fertiliser Not a fertiliser ; it is an explosive A mixed fertiliser ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Heating of orthophosphoric acid to about 900°C, produces Pyrophosphoric acid None of these No change in it Metaphosphoric acid Pyrophosphoric acid None of these No change in it Metaphosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of cresylic acid with __________ produces tricresyl phosphate. Calcium phosphate Ammonium phosphate Phosphorous pentoxide Phosphorous oxychloride Calcium phosphate Ammonium phosphate Phosphorous pentoxide Phosphorous oxychloride ANSWER DOWNLOAD EXAMIANS APP
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