Fertiliser Technology Triple superphosphate is chemically represented as 3Ca₃(PO₄)₂ Ca(H₂PO₄)₂ Ca(PO₃)₂ CaF₂.3Ca₃(PO₄)₂ 3Ca₃(PO₄)₂ Ca(H₂PO₄)₂ Ca(PO₃)₂ CaF₂.3Ca₃(PO₄)₂ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Nitric acid is produced on commercial scale in a fertiliser plant by CaNO₃ + H₂SO₄ reaction None of these Passing air through high voltage electric arc Oxidation of ammonia CaNO₃ + H₂SO₄ reaction None of these Passing air through high voltage electric arc Oxidation of ammonia ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N₂ & H₂ is high. The presence of promoter along with the catalyst helps in __________ of the catalyst. All of these Stabilisation Increasing the effectiveness Improving the strength & heat resistance All of these Stabilisation Increasing the effectiveness Improving the strength & heat resistance ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done. Increased cost of equipment Increased biuret formation All of these High corrosion rate Increased cost of equipment Increased biuret formation All of these High corrosion rate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because Its nitrogen content is very less It is hygroscopic and explosive in nature It is highly acidic in nature It is a liquid at room temperature Its nitrogen content is very less It is hygroscopic and explosive in nature It is highly acidic in nature It is a liquid at room temperature ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of __________ acid with phosphate rock produces superphosphates. Sulphuric Hydrochloric Phosphoric Nitric Sulphuric Hydrochloric Phosphoric Nitric ANSWER DOWNLOAD EXAMIANS APP
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