Fertiliser Technology Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the Absence of air Presence of an inert atmosphere Presence of an oxidising atmosphere Presence of a reducing atmosphere Absence of air Presence of an inert atmosphere Presence of an oxidising atmosphere Presence of a reducing atmosphere ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits? None of these Potassic fertiliser Phosphatic fertilisers Nitrogenous fertilisers None of these Potassic fertiliser Phosphatic fertilisers Nitrogenous fertilisers 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? 1.5:1 0.62569444444444 0.41736111111111 3.5:1 1.5:1 0.62569444444444 0.41736111111111 3.5:1 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? Hexane Toluene Butyl alcohol Iso propyl alcohol Hexane Toluene Butyl alcohol Iso propyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which is the best fertiliser for paddy? Superphosphate Nitro-phosphate Ammonium sulphate Potassium nitrate Superphosphate Nitro-phosphate Ammonium sulphate Potassium nitrate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which nutrient in fertiliser makes the plant stems stronger and increases branching? Potassium Nitrogen Calcium Phosphorous Potassium Nitrogen Calcium Phosphorous ANSWER DOWNLOAD EXAMIANS APP
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