Fertiliser Technology Chemical formula of metaphosphoric acid is HPO₃ H₄P₂O₇ H₃PO₄ Same as that of pyrophosphoric acid HPO₃ H₄P₂O₇ H₃PO₄ Same as that of pyrophosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Heating a mixture of phosphate rock, coke and sand in an electric furnace produces Superphosphate Phosphoric acid Phosphorous Ammonium phosphate Superphosphate Phosphoric acid Phosphorous Ammonium phosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology The essential ingradient of all the synthesis gas is N₂ O₂ CO₂ H₂ N₂ O₂ CO₂ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In the manufacture of H₃ PO₄ (ortho), ; strong H₂ SO₄ leaching wet process as compared to electric furnace process Requires lower capital investment in the plant Produces lower purity acid Uses lower grade phosphate rock Is very costly Requires lower capital investment in the plant Produces lower purity acid Uses lower grade phosphate rock Is very costly ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it Vaporises at normal temperature Has a pungent smell Is in short supply Is toxic and highly corrosive Vaporises at normal temperature Has a pungent smell Is in short supply Is toxic and highly corrosive ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of phosphate rock with 98% H₂SO₄ produces Superphosphate White phosphorous None of these Orthophosphoric acid Superphosphate White phosphorous None of these Orthophosphoric acid ANSWER DOWNLOAD EXAMIANS APP
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