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? Butyl alcohol Hexane Toluene Iso propyl alcohol Butyl alcohol Hexane Toluene Iso propyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of __________ acid with phosphate rock produces superphosphates. Nitric Sulphuric Phosphoric Hydrochloric Nitric Sulphuric Phosphoric Hydrochloric ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following does not come under the category of 'secondary nutrient' for plant growth? Calcium Magnesium Sulphur Oxygen Calcium Magnesium Sulphur Oxygen ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH₃ to NO is about __________ percent. 68 98 38 82 68 98 38 82 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which is the most suitable fertiliser for paddy? Ammonium nitrate Superphosphate Ammonium sulphate CAN Ammonium nitrate Superphosphate Ammonium sulphate CAN ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction. Exothermic Endothermic Catalytic Reversible Exothermic Endothermic Catalytic Reversible ANSWER DOWNLOAD EXAMIANS APP
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