Fertiliser Technology Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air. 50-80 250-400 1000-1200 800-900 50-80 250-400 1000-1200 800-900 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology P₂O₅ content in triple superphosphate is about __________ percent. 70-75 42-50 15-20 85-90 70-75 42-50 15-20 85-90 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because It is a liquid at room temperature Its nitrogen content is very less It is highly acidic in nature It is hygroscopic and explosive in nature It is a liquid at room temperature Its nitrogen content is very less It is highly acidic in nature It is hygroscopic and explosive in nature ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In an ammonia plant, the purge off is essential to Remove uncondensed ammonia vapour Remove excess poisonous gases Maintain H₂ : N₂ ratio at 3 :1 Maintain inert gas concentration within a limit Remove uncondensed ammonia vapour Remove excess poisonous gases Maintain H₂ : N₂ ratio at 3 :1 Maintain inert gas concentration within a limit ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology A fertiliser contains 82% N₂. It could be Liquid NH₃ Ammonium nitrate Urea None of these Liquid NH₃ Ammonium nitrate Urea None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Urea is a better fertilizer than ammonium sulphate, because Nitrogen content is higher It is cheaper It is not poisonous It is easy to manufacture Nitrogen content is higher It is cheaper It is not poisonous It is easy to manufacture ANSWER DOWNLOAD EXAMIANS APP
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