Fertiliser Technology Ammonia synthesis reaction is Exothermic Endothermic Autocatalytic None of these Exothermic Endothermic Autocatalytic None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology During conversion of ammonium carbamate into urea, presence of large excess of water Reduces the evaporator load by diluting the urea solution Does not affect the yield of urea Increases the yield of urea Adversely affects the yield of urea Reduces the evaporator load by diluting the urea solution Does not affect the yield of urea Increases the yield of urea Adversely affects the yield of urea ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of calcium fluorapatite with sulphuric acid produces Red phosphorous Simple superphosphate Ortho-phosphoric acid Triple superphosphate Red phosphorous Simple superphosphate Ortho-phosphoric acid Triple superphosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Both white phosphorous as well as red phosphorous Reacts with hot caustic soda solution to give phosphine Are soluble in CS₂ All of these Burns when heated in air Reacts with hot caustic soda solution to give phosphine Are soluble in CS₂ All of these Burns when heated in air ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Iron is not used alone as a catalyst in ammonia synthesis, because It decomposes ammonia It gets oxidised above 500°C None of these Its activity declines rapidly, if heated to above 520°C It decomposes ammonia It gets oxidised above 500°C None of these Its activity declines rapidly, if heated to above 520°C ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology C/H ratio (by weight) of naphtha used in nitrogenous fertiliser making is about 20 2 13 6 20 2 13 6 ANSWER DOWNLOAD EXAMIANS APP
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