Fertiliser Technology Raw materials for nitric acid manufacture are Wet ammonia, air and water Anhydrous ammonia, air and water Anhydrous ammonia and air Hydrogen peroxide, air and water Wet ammonia, air and water Anhydrous ammonia, air and water Anhydrous ammonia and air Hydrogen peroxide, air and water ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of calcium fluorapatite with sulphuric acid produces Ortho-phosphoric acid Simple superphosphate Triple superphosphate Red phosphorous Ortho-phosphoric acid Simple superphosphate Triple superphosphate Red phosphorous ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the Presence of a reducing atmosphere Absence of air Presence of an oxidising atmosphere Presence of an inert atmosphere Presence of a reducing atmosphere Absence of air Presence of an oxidising atmosphere Presence of an inert atmosphere ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Chemical formula of metaphosphoric acid is H₄P₂O₇ HPO₃ H₃PO₄ Same as that of pyrophosphoric acid H₄P₂O₇ HPO₃ H₃PO₄ Same as that of pyrophosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology A potassic fertiliser contains 50% K₂O. It could be Potassium sulphate A mixture of NaCl+ KCl Potassium chloride None of these Potassium sulphate A mixture of NaCl+ KCl Potassium chloride None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following does not come under the category of 'secondary nutrient' for plant growth? Calcium Oxygen Magnesium Sulphur Calcium Oxygen Magnesium Sulphur ANSWER DOWNLOAD EXAMIANS APP
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