Fertiliser Technology In the manufacture of H₃ PO₄ (ortho), ; strong H₂ SO₄ leaching wet process as compared to electric furnace process Produces lower purity acid Is very costly Requires lower capital investment in the plant Uses lower grade phosphate rock Produces lower purity acid Is very costly Requires lower capital investment in the plant Uses lower grade phosphate rock ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Chemical formula of metaphosphoric acid is H₄P₂O₇ HPO₃ Same as that of pyrophosphoric acid H₃PO₄ H₄P₂O₇ HPO₃ Same as that of pyrophosphoric acid H₃PO₄ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air. 250-400 800-900 1000-1200 50-80 250-400 800-900 1000-1200 50-80 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following gasifiers can be attached to coal based fertiliser plants? Gasifier working at 40 atm Kopper-Totzek gasifier Lurgi (high pressure) gasifier Gasifier working at 20 atm Gasifier working at 40 atm Kopper-Totzek gasifier Lurgi (high pressure) gasifier Gasifier working at 20 atm ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Phosphatic fertilisers Are useful during early stage of the plant growth None of these Accelerate fruit formation in later stages of growth Lessen the effect of excessive nitrogen application Are useful during early stage of the plant growth None of these Accelerate fruit formation in later stages of growth Lessen the effect of excessive nitrogen application ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology H₄P₂O₇ is the chemical formula of __________ phosphoric acid. Pyro None of these Meta Ortho Pyro None of these Meta Ortho ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS