Fertiliser Technology Chemical formula of metaphosphoric acid is H₃PO₄ Same as that of pyrophosphoric acid HPO₃ H₄P₂O₇ H₃PO₄ Same as that of pyrophosphoric acid HPO₃ H₄P₂O₇ 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 Reaction of calcium fluorapatite with sulphuric acid produces Simple superphosphate Ortho-phosphoric acid Red phosphorous Triple superphosphate Simple superphosphate Ortho-phosphoric acid Red phosphorous Triple superphosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Main constituent of phosphate rock is Flour apatite Calcium fluoride Ammonium phosphate Calcium phosphate Flour apatite Calcium fluoride Ammonium phosphate Calcium phosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology CO₂ present in reformed gas (obtained by steam reforming of naphtha) is removed by absorbing in Ammoniacal liquor Methyl-Ethyl Ketone (MEK) Mono-ethanolamine (MEA) Slaked lime Ammoniacal liquor Methyl-Ethyl Ketone (MEK) Mono-ethanolamine (MEA) Slaked lime ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of cresylic acid with __________ produces tricresyl phosphate. Calcium phosphate Phosphorous pentoxide Phosphorous oxychloride Ammonium phosphate Calcium phosphate Phosphorous pentoxide Phosphorous oxychloride Ammonium phosphate ANSWER DOWNLOAD EXAMIANS APP