Fertiliser Technology Chemical formula of metaphosphoric acid is H₃PO₄ HPO₃ Same as that of pyrophosphoric acid H₄P₂O₇ H₃PO₄ HPO₃ Same as that of pyrophosphoric acid H₄P₂O₇ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology (CH₃ C₆ H₄)₃ PO₄ is the chemical formula of Superphosphate Flourapatite Triple superphosphate Tricresyl phosphate Superphosphate Flourapatite Triple superphosphate Tricresyl phosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Steam reforming of naphtha is a source of hydrogen production for nitrogeneous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha? 3.5:1 1.5:1 0.62569444444444 0.41736111111111 3.5:1 1.5:1 0.62569444444444 0.41736111111111 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following solvents is used for the extraction of H₃PO₄ from CaCl₂ solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching? Iso propyl alcohol Butyl alcohol Toluene Hexane Iso propyl alcohol Butyl alcohol Toluene Hexane ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N₂ & H₂ is high. The presence of promoter along with the catalyst helps in __________ of the catalyst. Improving the strength & heat resistance All of these Stabilisation Increasing the effectiveness Improving the strength & heat resistance All of these Stabilisation Increasing the effectiveness 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
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