Fertiliser Technology Chemical formula of metaphosphoric acid is HPO₃ Same as that of pyrophosphoric acid H₄P₂O₇ H₃PO₄ HPO₃ Same as that of pyrophosphoric acid H₄P₂O₇ H₃PO₄ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Triple superphosphate which contains about 46% P₂O₅ is produced by the reaction of phosphate rock with ortho phosphoric acid of____percent concentration. 52-54 25-28 75-80 > 98 52-54 25-28 75-80 > 98 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of orthophosphoric acid with soda ash produces Tricresyl phosphate Sodium tripolyphosphate (STPP) Tributyl phosphate Nitrophosphate Tricresyl phosphate Sodium tripolyphosphate (STPP) Tributyl phosphate Nitrophosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Optimum reaction temperature in steam reforming of naphtha is __________ °C. 100-200 700 - 1000 300 - 450 1500-1700 100-200 700 - 1000 300 - 450 1500-1700 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In ammonia synthesis (N₂ + 3H₂ = 2NH₃), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should be carried out at Low pressure Atmospheric pressure; as the pressure has no effect on conversion High pressure Very high temperature Low pressure Atmospheric pressure; as the pressure has no effect on conversion High pressure Very high temperature ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Phosphoric acid is produced in wet process from phosphate rock and Concentrated NHO₃ Concentrated HCl Dilute H₂SO₄ Concentrated H₂SO₄ Concentrated NHO₃ Concentrated HCl Dilute H₂SO₄ Concentrated H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
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