Fertiliser Technology Chemical formula of metaphosphoric acid is HPO₃ H₃PO₄ Same as that of pyrophosphoric acid H₄P₂O₇ HPO₃ H₃PO₄ Same as that of pyrophosphoric acid H₄P₂O₇ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Ammonium nitrate is Having about 40% N₂ Not hygroscopic Not prone to explosive thermal decomposition Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer Having about 40% N₂ Not hygroscopic Not prone to explosive thermal decomposition Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Flushing liquor used for cooling coke oven gas constitutes of K₂CO₃ solution Dilute HCl Dilute H₂SO₄ Ammoniacal liquor K₂CO₃ solution Dilute HCl Dilute H₂SO₄ Ammoniacal liquor ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Ammonium nitrate (a fertiliser) is coated with limestone powder to Increase its nitrogen content Cut down its production cost Add extra nutrient as fertiliser Avoid the risk of explosion Increase its nitrogen content Cut down its production cost Add extra nutrient as fertiliser Avoid the risk of explosion ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Prilling of urea should be accomplished (in a sprayer) just above the melting point of urea with minimum of retention time, otherwise it will result in Low bulk density product Substantially wet non-flowing and sticky product Non-spherical prills Biuret formation Low bulk density product Substantially wet non-flowing and sticky product Non-spherical prills Biuret formation ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Low grade phosphate rock can be used in electrical furnace, because CaO content is less It produces low cost product It is cheap Of the better CaO/SiO₂ balance for slag formation CaO content is less It produces low cost product It is cheap Of the better CaO/SiO₂ balance for slag formation ANSWER DOWNLOAD EXAMIANS APP
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