Fertiliser Technology Iron is not used alone as a catalyst in ammonia synthesis, because It decomposes ammonia Its activity declines rapidly, if heated to above 520°C It gets oxidised above 500°C None of these It decomposes ammonia Its activity declines rapidly, if heated to above 520°C It gets oxidised above 500°C None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH₃ HNO₃ & NH₄Cl CO₂ & H₂SO₄ HNO₃ & limestone CO₂ & KNO₃ HNO₃ & NH₄Cl CO₂ & H₂SO₄ HNO₃ & limestone CO₂ & KNO₃ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In the manufacture of orthophosphoric acid by strong H₂SO₄ leaching wet process, keeping the reactor temperature above 100°C, results in the formation of undesriable Pyrophosphoric acid CaSO₄ .½H₂O and CaSO₄ crystals Metaphosphoric acid All of these Pyrophosphoric acid CaSO₄ .½H₂O and CaSO₄ crystals Metaphosphoric acid All of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of calcium fluorapatite with sulphuric acid produces Simple superphosphate Triple superphosphate Red phosphorous Ortho-phosphoric acid Simple superphosphate Triple superphosphate Red phosphorous Ortho-phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Sodium tri poly phosphate (STPP) is chemically represented as Na₂PO₄ Na₅P3O₁₀ Na₃P4O₆ Na₄P3O₈ Na₂PO₄ Na₅P3O₁₀ Na₃P4O₆ Na₄P3O₈ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Promoter used in NH₃ synthesis catalyst is K₂O SiO₃ V₂O₅ U₂O₃ K₂O SiO₃ V₂O₅ U₂O₃ ANSWER DOWNLOAD EXAMIANS APP
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