Fertiliser Technology Iron is not used alone as a catalyst in ammonia synthesis, because It gets oxidised above 500°C None of these It decomposes ammonia Its activity declines rapidly, if heated to above 520°C It gets oxidised above 500°C None of these It decomposes ammonia Its activity declines rapidly, if heated to above 520°C ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Flushing liquor used for cooling coke oven gas constitutes of Ammoniacal liquor K₂CO₃ solution Dilute H₂SO₄ Dilute HCl Ammoniacal liquor K₂CO₃ solution Dilute H₂SO₄ Dilute HCl ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology (CH₃ C₆ H₄)₃ PO₄ is the chemical formula of Triple superphosphate Superphosphate Tricresyl phosphate Flourapatite Triple superphosphate Superphosphate Tricresyl phosphate Flourapatite ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of orthophosphoric acid with phosphate rock produces Triple superphosphate Monoammonium phosphate Superphosphate Metaphosphoric acid Triple superphosphate Monoammonium phosphate Superphosphate Metaphosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air. 1000-1200 50-80 800-900 250-400 1000-1200 50-80 800-900 250-400 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology During conversion of ammonium carbamate into urea, presence of large excess of water Does not affect the yield of urea Adversely affects the yield of urea Increases the yield of urea Reduces the evaporator load by diluting the urea solution Does not affect the yield of urea Adversely affects the yield of urea Increases the yield of urea Reduces the evaporator load by diluting the urea solution ANSWER DOWNLOAD EXAMIANS APP