Fertiliser Technology Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the Presence of an oxidising atmosphere Absence of air Presence of an inert atmosphere Presence of a reducing atmosphere Presence of an oxidising atmosphere Absence of air Presence of an inert atmosphere Presence of a reducing atmosphere ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Heating a mixture of phosphate rock, coke and sand in an electric furnace produces Phosphorous Superphosphate Ammonium phosphate Phosphoric acid Phosphorous Superphosphate Ammonium phosphate Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH₃ CO₂ & KNO₃ CO₂ & H₂SO₄ HNO₃ & limestone HNO₃ & NH₄Cl CO₂ & KNO₃ CO₂ & H₂SO₄ HNO₃ & limestone HNO₃ & NH₄Cl ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Ammonium nitrate (a fertiliser) is coated with limestone powder to Cut down its production cost Avoid the risk of explosion Increase its nitrogen content Add extra nutrient as fertiliser Cut down its production cost Avoid the risk of explosion Increase its nitrogen content Add extra nutrient as fertiliser ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Sodium tri poly phosphate (STPP) is chemically represented as Na₅P3O₁₀ Na₄P3O₈ Na₂PO₄ Na₃P4O₆ Na₅P3O₁₀ Na₄P3O₈ Na₂PO₄ Na₃P4O₆ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Hydrogen content of coke oven gas is __________ percent. 22 58 4 84 22 58 4 84 ANSWER DOWNLOAD EXAMIANS APP
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